Remove dmazzoni/aboxhall from more files

Clean up ownership of accessibility-related files, histograms, etc.

Bug: None
Change-Id: I7eff621edf40b3a84dae916bbfcd4a4e64a92c3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3260331
Commit-Queue: Aaron Leventhal <aleventhal@chromium.org>
Auto-Submit: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Reviewed-by: Takashi Toyoshima <toyoshim@chromium.org>
Reviewed-by: Weilun Shi <sweilun@chromium.org>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Reviewed-by: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/main@{#941892}

WATCHLISTS

@@ -2094,9 +2094,7 @@
                     'jmedley+watch@chromium.org'],
     'accelerator_table': ['yusukes+watch@chromium.org'],
     'accessibility': ['abigailbklein+watch@google.com',
-                      'aboxhall+watch@chromium.org',
                       'akihiroota@chromium.org',
-                      'dmazzoni+watch@chromium.org',
                       'dtseng+watch@chromium.org',
                       'hirokisato+watch@chromium.org',
                       'je_julie.kim@chromium.org',
@@ -2201,9 +2199,7 @@
                 'chikamune+watch@chromium.org'],
     'binary_size': ['agrieve+watch@chromium.org'],
     'blink': ['blink-reviews@chromium.org'],
-    'blink_accessibility': ['aboxhall@chromium.org',
+    'blink_accessibility': ['je_julie.kim@chromium.org',
-                            'dmazzoni@chromium.org',
-                            'je_julie.kim@chromium.org',
                             'kbabbitt@microsoft.com',
                             'nektar@chromium.org'],
     'blink_animation': ['alexis.menard@intel.com',

chrome/browser/accessibility/browser_accessibility_state_browsertest.cc

@@ -21,9 +21,7 @@ IN_PROC_BROWSER_TEST_F(BrowserAccessibilityStateImplTest, TestHistograms) {
   base::HistogramTester histograms;
 
   BrowserAccessibilityState::GetInstance()->UpdateHistogramsForTesting();
-#if defined(OS_WIN)
+#if BUILDFLAG(IS_CHROMEOS_ASH)
-  histograms.ExpectTotalCount("Accessibility.WinScreenReader", 1);
-#elif BUILDFLAG(IS_CHROMEOS_ASH)
   histograms.ExpectTotalCount("Accessibility.CrosSpokenFeedback", 1);
 #endif
 }

chrome/browser/flag-metadata.json

@@ -1409,7 +1409,7 @@
   },
   {
     "name": "enable-aria-element-reflection",
-    "owners": [ "aboxhall", "chrishall", "meredithl" ],
+    "owners": [ "aleventhal", "//third_party/blink/renderer/modules/accessibility/OWNERS" ],
     "expiry_milestone": 98
   },
   {

components/policy/resources/policy_templates.json

@@ -26132,7 +26132,7 @@ If you disable this policy, web page scrolling to specific text fragments via UR
     },
     {
       'name': 'AccessibilityImageLabelsEnabled',
-      'owners': ['file://ui/accessibility/OWNERS', 'dmazzoni@chromium.org'],
+      'owners': ['file://ui/accessibility/OWNERS', 'dtseng@chromium.org'],
       'type': 'main',
       'schema': { 'type': 'boolean' },
       'supported_on': ['chrome_os:84-', 'chrome.*:84-'],

content/browser/accessibility/browser_accessibility_state_impl_win.cc

@@ -171,18 +171,6 @@ void BrowserAccessibilityStateImplWin::UpdateHistogramsOnOtherThread() {
   // needs to run in the UI thread can be run in
   // UpdateHistogramsOnUIThread instead.
 
-  AUDIODESCRIPTION audio_description = {0};
-  audio_description.cbSize = sizeof(AUDIODESCRIPTION);
-  SystemParametersInfo(SPI_GETAUDIODESCRIPTION, 0, &audio_description, 0);
-  UMA_HISTOGRAM_BOOLEAN("Accessibility.WinAudioDescription",
-                        !!audio_description.Enabled);
-
-  // This screen reader flag is nearly meaningless, it is set very often
-  // when there is no screen reader, and is not set for Narrator.
-  BOOL win_screen_reader = FALSE;
-  SystemParametersInfo(SPI_GETSCREENREADER, 0, &win_screen_reader, 0);
-  UMA_HISTOGRAM_BOOLEAN("Accessibility.WinScreenReader", !!win_screen_reader);
-
   // Better all-encompassing screen reader metric.
   // See also specific screen reader metrics below, e.g. WinJAWS, WinNVDA.
   ui::AXMode mode =
@@ -196,14 +184,6 @@ void BrowserAccessibilityStateImplWin::UpdateHistogramsOnOtherThread() {
   UMA_HISTOGRAM_BOOLEAN("Accessibility.WinStickyKeys",
                         0 != (sticky_keys.dwFlags & SKF_STICKYKEYSON));
 
-  // We only measure systems where SPI_GETCLIENTAREAANIMATION exists.
-  BOOL win_anim_enabled = TRUE;
-  if (SystemParametersInfo(SPI_GETCLIENTAREAANIMATION, 0, &win_anim_enabled,
-                           0)) {
-    UMA_HISTOGRAM_BOOLEAN("Accessibility.Win.AnimationsEnabled",
-                          win_anim_enabled);
-  }
-
   // Get the file paths of all DLLs loaded.
   HANDLE process = GetCurrentProcess();
   HMODULE* modules = NULL;

tools/metrics/actions/actions.xml

@@ -1235,7 +1235,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accel_Toggle_High_Contrast">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <description>
     Metric recorded when the user toggles Chrome OS High Contrast mode with the
     keyboard accelerator.
@@ -1291,7 +1292,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accel_Toggle_Spoken_Feedback">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <description>Toggles Spoken Feedback (ChromeVox)</description>
 </action>
 
@@ -1377,14 +1379,14 @@ should be able to be added at any place in this file.
 <action name="Accessibility.Autoclick">
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>A user has used autoclick to perform an action.</description>
 </action>
 
 <action name="Accessibility.Autoclick.ChangeScrollPoint">
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user has changed the position at which a scroll will occur by performing a
     dwell at the new scroll point.
@@ -1394,7 +1396,7 @@ should be able to be added at any place in this file.
 <action name="Accessibility.Autoclick.ScrollMenu.CloseButton">
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user has closed the autoclick Scroll menu using the close button within
     the menu bubble.
@@ -1408,7 +1410,6 @@ should be able to be added at any place in this file.
   </obsolete>
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <description>A user has opened the autoclick tray menu.</description>
 </action>
 
@@ -1418,15 +1419,15 @@ should be able to be added at any place in this file.
   </obsolete>
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <description>
     A user has used the autoclick tray menu to open Autoclick settings.
   </description>
 </action>
 
 <action name="Accessibility.CaretBrowsing.AcceptDialog">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user pressed the caret browsing shortcut and then enabled the feature by
     confirming in the dialog.
@@ -1434,8 +1435,9 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.CaretBrowsing.CancelDialog">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user pressed the caret browsing shortcut and then cancelled without
     enabling caret browsing.
@@ -1443,22 +1445,25 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.CaretBrowsing.DisableWithKeyboard">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user disabled caret browsing using keyboard shortcuts.
   </description>
 </action>
 
 <action name="Accessibility.CaretBrowsing.DisableWithSettings">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>A user disabled caret browsing using settings.</description>
 </action>
 
 <action name="Accessibility.CaretBrowsing.DoNotAsk">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user enabled caret browsing and checked the box to never be prompted
     again.
@@ -1466,8 +1471,9 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.CaretBrowsing.EnableWithKeyboard">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user enabled caret browsing using the keyboard shortcut directly, when
     they had already opted into not showing the confirmation dialog.
@@ -1475,14 +1481,16 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.CaretBrowsing.EnableWithSettings">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>A user enabled caret browsing using settings.</description>
 </action>
 
 <action name="Accessibility.CaretBrowsing.ShowDialog">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>emilyscharff@google.com</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user pressed the caret browsing shortcut and the confirmation dialog was
     shown.
@@ -1492,6 +1500,7 @@ should be able to be added at any place in this file.
 <action
     name="Accessibility.ChromeVox.BluetoothBrailleDisplayConnectedButtonClick">
   <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user with spoken feedback enabled has connected a bluetooth
     braille display by clicking the connect button or selected one from a
@@ -1500,7 +1509,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.ChromeVox.Jump">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user with spoken feedback enabled has executed any jump action,
     like jumping to the next heading on a web page.
@@ -1508,7 +1518,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.ChromeVox.Navigate">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user with spoken feedback enabled has executed any navigation
     action, like navigating to the next object on the screen.
@@ -1516,7 +1527,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.ChromeVox.ToggleNextOff">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user with spoken feedback enabled manually toggles ChromeVox
     Next off.
@@ -1524,7 +1536,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.ChromeVox.ToggleNextOn">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user with spoken feedback enabled manually toggles ChromeVox
     Next on.
@@ -1534,7 +1547,7 @@ should be able to be added at any place in this file.
 <action name="Accessibility.CrosAutoclick.TrayMenu.ChangePosition">
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A user has tapped the button to change the position of the autoclick bubble
     menu.
@@ -1543,6 +1556,8 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.CrosSelectToSpeak.CancelSpeech">
   <owner>katie@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user manually cancels Select To Speak while it is speaking.
   </description>
@@ -1550,6 +1565,8 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.CrosSelectToSpeak.LoadSettings">
   <owner>katie@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user loads the Select To Speak settings page.
   </description>
@@ -1557,11 +1574,17 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.CrosSelectToSpeak.PauseSpeech">
   <owner>ajitnarayanan@google.com</owner>
+  <owner>katie@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>A Chrome OS user manually pauses Select To Speak.</description>
 </action>
 
 <action name="Accessibility.CrosSelectToSpeak.ResumeSpeech">
   <owner>ajitnarayanan@google.com</owner>
+  <owner>katie@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     A Chrome OS user manually resumes Select To Speak after pausing.
   </description>
@@ -1569,12 +1592,15 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.CrosSelectToSpeak.StartSpeech">
   <owner>katie@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>A Chrome OS user manually starts Select To Speak.</description>
 </action>
 
 <action name="Accessibility.NativeApi.DoDefault">
   <owner>aleventhal@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     The DoDefault action (for example, to click on a button or link) has been
     called on an accessibility node using a native accessibility API.
@@ -1587,7 +1613,7 @@ should be able to be added at any place in this file.
     on the number of user actions that can be reported in a single log.
   </obsolete>
   <owner>aleventhal@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>
     The HitTest action has been called on an accessibility node using a native
     accessibility API.
@@ -1596,7 +1622,8 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.NativeApi.ScrollToMakeVisible">
   <owner>aleventhal@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     The ScrollToMakeVisible action has been called on an accessibility node
     using a native accessibility API.
@@ -1605,7 +1632,8 @@ should be able to be added at any place in this file.
 
 <action name="Accessibility.NativeApi.SetFocus">
   <owner>aleventhal@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     The SetFocus action has been called on an accessibility node using a native
     accessibility API.
@@ -1613,7 +1641,8 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Accessibility.TwoFingersHeldDown">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>ui/accessibility/OWNERS</owner>
   <description>
     Metric recorded on Chrome OS when the user holds down two fingers on a touch
     screen for more than the minimum number of seconds to trigger a countdown.
@@ -18674,34 +18703,34 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Options_AccessibilityCaretHighlight_Disable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Disable caret highlighting</description>
 </action>
 
 <action name="Options_AccessibilityCaretHighlight_Enable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Enable caret highlighting</description>
 </action>
 
 <action name="Options_AccessibilityCursorHighlight_Disable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>
     Settings: Accessibility: Disable cursor highlighting
   </description>
 </action>
 
 <action name="Options_AccessibilityCursorHighlight_Enable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Enable cursor highlighting</description>
 </action>
 
 <action name="Options_AccessibilityFocusHighlight_Disable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Disable focus highlighting</description>
 </action>
 
 <action name="Options_AccessibilityFocusHighlight_Enable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Enable focus highlighting</description>
 </action>
 
@@ -18786,12 +18815,12 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Options_AccessibilitySelectToSpeak_Disable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Disable select-to-speak</description>
 </action>
 
 <action name="Options_AccessibilitySelectToSpeak_Enable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Enable select-to-speak</description>
 </action>
 
@@ -18816,12 +18845,12 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Options_AccessibilitySwitchAccess_Disable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Disable Switch Access</description>
 </action>
 
 <action name="Options_AccessibilitySwitchAccess_Enable">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Settings: Accessibility: Enable Switch Access</description>
 </action>
 
@@ -26251,13 +26280,13 @@ should be able to be added at any place in this file.
 
 <action name="StatusArea_AutoClickDisabled">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>User disabled autoclick from the SystemTray</description>
 </action>
 
 <action name="StatusArea_AutoClickEnabled">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>User enabled autoclick from the SystemTray</description>
 </action>
 
@@ -28172,24 +28201,24 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="TextToSpeech.Pause">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Synthesized speech is paused.</description>
 </action>
 
 <action name="TextToSpeech.Resume">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Synthesized speech is resumed after being paused.</description>
 </action>
 
 <action name="TextToSpeech.Speak">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>
     A single utterance is spoken using synthesized text-to-speech.
   </description>
 </action>
 
 <action name="TextToSpeech.Stop" not_user_triggered="true">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <description>Synthesized speech is stopped.</description>
 </action>
 

tools/metrics/histograms/metadata/accessibility/histograms.xml

@@ -30,7 +30,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ActiveTime" units="ms"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <summary>
     The amount of time accessibility was enabled and actively used. Reported
@@ -43,7 +43,7 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Removed 10/2020, having expired in M85.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>smcgruer@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -141,7 +141,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.AndroidServiceInfo"
     enum="AccessibilityAndroidServiceInfoEnum" expires_after="M99">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>mschillaci@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Tracks flags and capabilities of enabled accessibility services. Recorded
@@ -155,14 +156,13 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="Accessibility.ATK-APIs" enum="AccessibilityATKAPIEnum"
-    expires_after="M95">
+    expires_after="M106">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>jdiggs@chromium.org</owner>
   <owner>jkim@igalia.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
-    Tracks usage of ATK APIs on Linux Desktop. Recorded when ATK APIs that were
+    Tracks usage of ATK APIs on Linux Desktop. Recorded when ATK APIs that are
-    supposed to trigger AX mode enabled is called. The feature to turn on AX
+    supposed to trigger AX mode enabled is called.
-    mode through ATK APIs is disabled for now; see http://crbug.com/1086506.
   </summary>
 </histogram>
 
@@ -230,7 +230,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosAlwaysShowA11yMenu" enum="BooleanEnabled"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -241,7 +241,6 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosAutoclick" enum="BooleanEnabled"
     expires_after="2021-12-31">
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -255,7 +254,6 @@ chromium-metrics-reviews@google.com.
     enum="AutoclickActionType" expires_after="2022-04-24">
   <owner>katie@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Recorded when a user has picked a new autoclick action type from the bubble
@@ -265,7 +263,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosCaretHighlight" enum="BooleanEnabled"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Whether the Chrome OS caret highlighting is on (logged once 45 secs after
@@ -279,7 +277,7 @@ chromium-metrics-reviews@google.com.
     Marked obsolete in 07/2021, since ChromeVox Next has been default for a long
     time, and the code that output this histogram was previously removed.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Set when a Chrome OS user has spoken feedback enabled, recorded once each
@@ -291,7 +289,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosCursorColor" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -302,7 +300,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosCursorHighlight" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Whether the Chrome OS cursor highlighting is on (logged once 45 secs after
@@ -376,7 +374,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosDockedMagnifier" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -387,7 +385,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosFocusHighlight" enum="BooleanEnabled"
     expires_after="2022-05-01">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Whether the Chrome OS focus highlighting is on (logged once 45 secs after
@@ -397,7 +395,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosHighContrast" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -408,7 +406,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosLargeCursor" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -419,6 +417,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosLargeCursorSize" units="dip"
     expires_after="2021-11-21">
+  <owner>sarakato@chromium.org</owner>
   <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -429,7 +428,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosScreenMagnifier" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -440,7 +439,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosSelectToSpeak" enum="BooleanEnabled"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -592,7 +591,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosSpokenFeedback{AccessibilityEveryReport}"
     enum="BooleanEnabled" expires_after="2021-12-05">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -609,7 +608,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosStickyKeys" enum="BooleanEnabled"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>tengs@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -621,7 +620,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosSwitchAccess" enum="BooleanEnabled"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>anastasi@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -632,7 +631,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.CrosVirtualKeyboard" enum="BooleanEnabled"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -642,8 +641,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="Accessibility.FocusHighlight.ToggleEnabled"
-    enum="BooleanEnabled" expires_after="2021-03-31">
+    enum="BooleanEnabled" expires_after="never">
-  <owner>aboxhall@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     The value of the &quot;show a quick focus highlight&quot; setting, logged
@@ -655,7 +654,6 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.ImageLabels" enum="BooleanEnabled"
     expires_after="2022-04-17">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Whether the Chrome accessibility image label setting is on (logged once 45
@@ -665,7 +663,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ImageLabels.Android" enum="BooleanEnabled"
     expires_after="M105">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>mschillaci@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -676,7 +674,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ImageLabels.Android.DialogOption"
     enum="AccessibilityImageLabelModeAndroid" expires_after="M105">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>mschillaci@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -687,7 +685,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ImageLabels.Android.OnlyOnWifi"
     enum="BooleanEnabled" expires_after="M105">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>mschillaci@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -699,7 +697,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.ImageLabels.ModalDialogAccepted"
     enum="BooleanAccepted" expires_after="2021-12-12">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <summary>
     Whether a user accepts or does not accept a modal dialog enabling the image
     labels option. If the user does not accept it this does not track whether
@@ -711,7 +709,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.ImageLabels.PageLanguage" enum="LanguageName"
     expires_after="2022-04-10">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     The language of a web page where image labels were requested, as detected by
@@ -722,7 +720,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.ImageLabels.RequestLanguage" enum="LanguageName"
     expires_after="2022-04-17">
   <owner>katie@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     The language that was requested for image descriptions, based on the page
@@ -776,7 +774,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.InactiveTime" units="ms"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>abigailbklein@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <summary>
     The amount of time accessibility was enabled but not actively used. Reported
@@ -803,8 +802,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.CountDetectionAttempted"
     units="count" expires_after="2021-11-19">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     The number of nodes on this page for which language detection was attempted.
   </summary>
@@ -813,8 +811,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.CountLabelled" units="count"
     expires_after="2021-11-19">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     The number of nodes on this page for which a detected language was
     successfully assigned.
@@ -824,8 +821,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.LangsPerPage" units="count"
     expires_after="2022-05-01">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     The number of unique languages which were detected to be the most probable
     language for at least one node on the page, regardless of whether a detected
@@ -836,8 +832,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.PercentageLabelledWithTop"
     units="%" expires_after="2021-11-19">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     Of the nodes which had a detected language assigned, the percentage for
     which the assigned language was the language detected as having the highest
@@ -848,8 +843,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.PercentageLanguageDetected"
     units="%" expires_after="2021-11-19">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     Of the nodes for which language detection was attempted, the percentage for
     which a language was successfully assigned.
@@ -859,8 +853,7 @@ chromium-metrics-reviews@google.com.
 <histogram name="Accessibility.LanguageDetection.PercentageOverridden"
     units="%" expires_after="2021-11-19">
   <owner>chrishall@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     Of the nodes for which a detected language was successfully assigned, the
     percentage where the assigned language differs from the author-provided
@@ -1070,7 +1063,7 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     No longer gathered after 2021-06.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>abigailbklein@chromium.org</owner>
   <owner>smcgruer@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1113,7 +1106,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ManuallyEnabled" enum="BooleanEnabled"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1125,8 +1118,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.ModeFlag" enum="AccessibilityModeFlagEnum"
     expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
-  <owner>aboxhall@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Whether individual accessibility mode flags are set. Tracked when each mode
@@ -1153,9 +1145,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="Accessibility.Performance.HandleAXEvents" units="ms"
-    expires_after="M95">
+    expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
-  <owner>delphick@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Tracks time spent on the browser main thread handling accessibility events
@@ -1166,7 +1157,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Performance.ProcessDeferredAccessibilityEvents"
     units="ms" expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1178,7 +1169,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Performance.SendPendingAccessibilityEvents"
     units="ms" expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1189,7 +1180,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Performance.Tree.Unserialize" units="ms"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1200,12 +1191,20 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Performance.WinAPIs.{API}" units="microseconds"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>kschmi@microsoft.com</owner>
   <owner>janewman@microsoft.com</owner>
+  <owner>dlibby@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
     Tracks time taken to execute the public Windows API that {API}. This is
     recorded for all Windows users that call into our public APIs.
+
+    Warning: This metric may include reports from clients with low-resolution
+    clocks (i.e. on Windows, ref. |TimeTicks::IsHighResolution()|). Such reports
+    will cause this metric to have an abnormal distribution. When considering
+    revising this histogram, see UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES for the
+    solution.
   </summary>
   <token key="API">
     <variant name="UMA_API_ELEMENT_PROVIDER_FROM_POINT"
@@ -1252,7 +1251,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Reliability.Tree.UnserializeError"
     enum="AccessibilityTreeUnserializeError" expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>janewman@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1325,7 +1324,11 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.Win.AnimationsEnabled" enum="BooleanEnabled"
     expires_after="M85">
-  <owner>dmazzoni@chromium.org</owner>
+  <obsolete>
+    Obsolete as of M85 because we no longer need the data.
+  </obsolete>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>dlibby@microsoft.com</owner>
   <owner>smcgruer@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1338,7 +1341,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.WinAPIs" enum="AccessibilityWinAPIEnum"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>nektar@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>Tracks usage of all public Windows accessibility APIs.</summary>
@@ -1346,7 +1349,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.WinAPIs.GetPropertyValue"
     enum="AccessibilityWinAPIGetPropertyValueEnum" expires_after="2022-03-19">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>nektar@chromium.org</owner>
   <owner>kbabbitt@microsoft.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1357,7 +1360,12 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.WinAudioDescription" enum="BooleanEnabled"
     expires_after="2021-09-19">
-  <owner>dmazzoni@chromium.org</owner>
+  <obsolete>
+    Removed 11-12-2022, because we don't think we need the data right now. This
+    may change in the future.
+  </obsolete>
+  <owner>abigailbklein@chromium.org</owner>
+  <owner>dlibby@microsoft.com</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>chrome-a11y-core@google.com</owner>
   <summary>
@@ -1368,7 +1376,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.WinHighContrastTheme"
     enum="AccessibilityHighContrastColorScheme" expires_after="2022-04-10">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>almaher@microsoft.com</owner>
   <owner>weblayoutdev@microsoft.com</owner>
   <summary>
@@ -1382,7 +1390,6 @@ chromium-metrics-reviews@google.com.
     enum="BooleanEnabled" expires_after="never">
 <!-- expires-never: usage drives a11y prioritization in browser and content. -->
 
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1401,7 +1408,6 @@ chromium-metrics-reviews@google.com.
     enum="BooleanEnabled" expires_after="never">
 <!-- expires-never: usage drives a11y prioritization in browser and content. -->
 
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1418,7 +1424,14 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="Accessibility.WinScreenReader" enum="BooleanEnabled"
     expires_after="2020-02-23">
-  <owner>dmazzoni@chromium.org</owner>
+  <obsolete>
+    Removed 11-12-2022, as it is not a good indicator of whether a screen reader
+    is running. For example, Narrator does not set it, and applications that are
+    not screen readers can and do.
+  </obsolete>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>dlibby@microsoft.com</owner>
+  <owner>kschmi@microsoft.com</owner>
   <owner>kenjibaheux@google.com</owner>
   <summary>
     Whether Windows system settings show that a screen reader is running (logged
@@ -1450,7 +1463,6 @@ chromium-metrics-reviews@google.com.
     expires_after="never">
 <!-- expires-never: usage drives a11y prioritization in browser and content. -->
 
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1463,7 +1475,6 @@ chromium-metrics-reviews@google.com.
     enum="BooleanEnabled" expires_after="never">
 <!-- expires-never: usage drives a11y prioritization in browser and content. -->
 
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1482,7 +1493,6 @@ chromium-metrics-reviews@google.com.
     enum="BooleanEnabled" expires_after="never">
 <!-- expires-never: usage drives a11y prioritization in browser and content. -->
 
-  <owner>dmazzoni@chromium.org</owner>
   <owner>kenjibaheux@google.com</owner>
   <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@google.com</owner>
@@ -1746,7 +1756,7 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Obsolete as of M73 because we decided to remove gender from the API.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech requested a
     specific gender.
@@ -1758,7 +1768,6 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Obsolete as of M93 because data is not needed any longer.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech specified a
@@ -1771,7 +1780,6 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Obsolete as of M93 because data is not needed any longer.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech requested a
@@ -1784,7 +1792,6 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Obsolete as of M93 because data is not needed any longer.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech requested a
@@ -1794,7 +1801,6 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="TextToSpeech.Utterance.HasVoiceName"
     enum="TextToSpeechHasVoiceName" expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech requested a
@@ -1807,7 +1813,6 @@ chromium-metrics-reviews@google.com.
   <obsolete>
     Obsolete as of M93 because data is not needed any longer.
   </obsolete>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance spoken via synthesized text-to-speech requested a
@@ -1817,7 +1822,6 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="TextToSpeech.Utterance.Native" enum="TextToSpeechNative"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     True if an utterance is spoken with native speech provided by the operating
@@ -1829,7 +1833,6 @@ chromium-metrics-reviews@google.com.
 <histogram name="TextToSpeech.Utterance.Source" enum="TextToSpeechSource"
     expires_after="M103">
   <owner>joelriley@google.com</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     ChromeOS source that triggered text-to-speech utterance via extension API,
@@ -1839,7 +1842,6 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="TextToSpeech.Utterance.TextLength" units="bytes"
     expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
   <owner>katie@chromium.org</owner>
   <summary>
     The length of an utterance to be spoken via synthesized text-to-speech.

tools/metrics/histograms/metadata/blink/histograms.xml

@@ -37,8 +37,8 @@ chromium-metrics-reviews@google.com.
 </variants>
 
 <histogram name="Blink.Accessibility.NumTreeUpdatesQueuedBeforeLayout"
-    units="updates" expires_after="M86">
+    units="updates" expires_after="M106">
-  <owner>aboxhall@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
   <owner>chrome-a11y-core@chromium.org</owner>
   <summary>
     Records how many tree updates were queued at the time updates are being

tools/metrics/histograms/metadata/image/histograms.xml

@@ -90,7 +90,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.CacheHit"
-    enum="BooleanCacheHit" expires_after="2020-03-31">
+    enum="BooleanCacheHit" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -102,7 +103,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="ImageAnnotationService.AccessibilityV1.ClientResult"
     enum="ImageAnnotationServiceClientResult" expires_after="2022-04-24">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -112,7 +113,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.DescType"
-    enum="ImageAnnotationServiceDescType" expires_after="2020-03-31">
+    enum="ImageAnnotationServiceDescType" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -122,7 +124,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.EncodedJpegSizeKB"
-    units="KB" expires_after="2020-03-31">
+    units="KB" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -132,7 +135,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.EngineKnown"
-    enum="BooleanKnown" expires_after="2020-03-31">
+    enum="BooleanKnown" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -144,6 +148,7 @@ chromium-metrics-reviews@google.com.
 <histogram
     name="ImageAnnotationService.AccessibilityV1.ImageRequestIncludesDesc"
     enum="BooleanIncluded" expires_after="M105">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -159,6 +164,7 @@ chromium-metrics-reviews@google.com.
 <histogram
     name="ImageAnnotationService.AccessibilityV1.ImageRequestIncludesIcon"
     enum="BooleanIncluded" expires_after="M105">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -171,8 +177,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.JsonParseSuccess"
-    enum="BooleanSuccess" expires_after="2020-10-31">
+    enum="BooleanSuccess" expires_after="2022-10-31">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -182,7 +188,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.PixelFetchSuccess"
-    enum="BooleanSuccess" expires_after="2020-03-31">
+    enum="BooleanSuccess" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -193,7 +200,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.ServerHttpResponseCode"
-    enum="HttpResponseCode" expires_after="2020-03-31">
+    enum="HttpResponseCode" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -203,7 +211,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.ServerLatencyMs"
-    units="ms" expires_after="2020-03-31">
+    units="ms" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -213,7 +222,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.ServerNetError"
-    enum="NetErrorCodes" expires_after="2020-03-31">
+    enum="NetErrorCodes" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -223,7 +233,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.ServerRequestSizeKB"
-    units="KB" expires_after="2020-03-31">
+    units="KB" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -235,7 +246,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram
     name="ImageAnnotationService.AccessibilityV1.ServerResponseSizeBytes"
-    units="bytes" expires_after="2020-03-31">
+    units="bytes" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -245,7 +257,8 @@ chromium-metrics-reviews@google.com.
 </histogram>
 
 <histogram name="ImageAnnotationService.AccessibilityV1.SourcePixelCount"
-    units="pixels" expires_after="2020-03-31">
+    units="pixels" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -257,7 +270,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram
     name="ImageAnnotationService.{ImageAnnotationServiceAnnotationType}AccessibilityV1.Confidence"
-    units="%" expires_after="2020-03-31">
+    units="%" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -277,7 +291,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram
     name="ImageAnnotationService.{ImageAnnotationServiceAnnotationType}AccessibilityV1.Empty"
-    enum="BooleanEmpty" expires_after="2020-03-31">
+    enum="BooleanEmpty" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>
@@ -298,7 +313,8 @@ chromium-metrics-reviews@google.com.
 
 <histogram
     name="ImageAnnotationService.{ImageAnnotationServiceAnnotationType}AccessibilityV1.Status"
-    enum="GoogleRpcCode" expires_after="2020-03-31">
+    enum="GoogleRpcCode" expires_after="2022-04-24">
+  <owner>dtseng@chromium.org</owner>
   <owner>amoylan@chromium.org</owner>
   <owner>martis@chromium.org</owner>
   <summary>

tools/metrics/histograms/metadata/others/histograms.xml

@@ -12092,7 +12092,7 @@ chromium-metrics-reviews@google.com.
 
 <histogram name="PDF.IsTagged" enum="BooleanIsTagged"
     expires_after="2022-04-17">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>nektar@chromium.org</owner>
   <owner>thestig@chromium.org</owner>
   <summary>
     Tracks documents opened in the PDF viewer that are Tagged PDFs.

tools/metrics/histograms/metadata/print/histograms.xml

@@ -166,7 +166,6 @@ chromium-metrics-reviews@google.com.
     XXX Removed 10/2020 as it is launched and no longer needed for analysis.
   </obsolete>
   <owner>thestig@chromium.org</owner>
-  <owner>dmazzoni@chromium.org</owner>
   <summary>
     The average size of a page in the printed document when the source is HTML.
   </summary>

tools/metrics/ukm/ukm.xml

@@ -105,7 +105,8 @@ be describing additional metrics about the same event.
 </event>
 
 <event name="Accessibility.ImageDescriptions">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
+  <owner>nektar@chromium.org</owner>
   <summary>
     Tracks automatic image descriptions provided to blind users.
   </summary>
@@ -149,7 +150,8 @@ be describing additional metrics about the same event.
 </event>
 
 <event name="Accessibility.Renderer">
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>aleventhal@chromium.org</owner>
+  <owner>nektar@chromium.org</owner>
   <summary>
     Tracks the amount of time sending accessibility events from web renderers.
   </summary>
@@ -15700,7 +15702,7 @@ be describing additional metrics about the same event.
 <event name="ReaderModeActivated" singular="True">
   <owner>gilmanmh@google.com</owner>
   <owner>kjbooker@google.com</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <summary>
     Recorded after a user activates Reader Mode for a given page.
   </summary>
@@ -15722,7 +15724,7 @@ be describing additional metrics about the same event.
 <event name="ReaderModeReceivedDistillability">
   <owner>gilmanmh@google.com</owner>
   <owner>kjbooker@google.com</owner>
-  <owner>dmazzoni@chromium.org</owner>
+  <owner>dtseng@chromium.org</owner>
   <summary>
     Recorded when the Reader Mode badge receives a result from the
     distillability service.

tools/perf/benchmark.csv

@@ -8,7 +8,7 @@ UNSCHEDULED_loading.mbi,blink-isolation-dev@chromium.org,Blink>Internals>Modular
 UNSCHEDULED_v8.loading_desktop,"cbruni@chromium.org, tmrts@chromium.org, almuthanna@chromium.org",Blink>JavaScript,https://bit.ly/system-health-v8-benchmarks,"2016,2018,2019,2020,emerging_market,health_check,international,javascript_heavy"
 UNSCHEDULED_v8.loading_mobile,"cbruni@chromium.org, leszeks@chromium.org, tmrts@chromium.org",Blink>JavaScript,https://bit.ly/system-health-v8-benchmarks,"2016,2018,2019,2020,emerging_market,health_check,international,javascript_heavy"
 base_perftests,"skyostil@chromium.org, gab@chromium.org",Internals>SequenceManager,https://chromium.googlesource.com/chromium/src/+/HEAD/base/README.md#performance-testing,
-blink_perf.accessibility,dmazzoni@chromium.org,Blink>Accessibility,https://bit.ly/blink-perf-benchmarks,all
+blink_perf.accessibility,aleventhal@chromium.org,Blink>Accessibility,https://bit.ly/blink-perf-benchmarks,all
 blink_perf.bindings,"jbroman@chromium.org, yukishiino@chromium.org, haraken@chromium.org",Blink>Bindings,https://bit.ly/blink-perf-benchmarks,all
 blink_perf.css,"futhark@chromium.org, andruud@chromium.org",Blink>CSS,https://bit.ly/blink-perf-benchmarks,all
 blink_perf.display_locking,vmpstr@chromium.org,Blink>Paint,https://bit.ly/blink-perf-benchmarks,all

tools/perf/benchmarks/blink_perf.py

@@ -380,7 +380,7 @@ class _BlinkPerfBenchmark(perf_benchmark.PerfBenchmark):
                                   extra_tags=self.TAGS)
 
 
-@benchmark.Info(emails=['dmazzoni@chromium.org'],
+@benchmark.Info(emails=['aleventhal@chromium.org'],
                 component='Blink>Accessibility',
                 documentation_url='https://bit.ly/blink-perf-benchmarks')
 class BlinkPerfAccessibility(_BlinkPerfBenchmark):