mac: remove touchbar metrics code

Nobody ever looks at these and they expired a month ago.

Fixed: 1349032
Change-Id: I0ba6f65aba7249f62f6a052624f3ddd429bfeb65
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3949542
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1058790}

chrome/browser/ui/cocoa/touchbar/browser_window_default_touch_bar.mm

@@ -114,30 +114,6 @@ NSButton* CreateTouchBarButton(const gfx::VectorIcon& icon,
                                        owner, command, tooltip_id);
 }
 
-ui::TouchBarAction TouchBarActionFromCommand(int command) {
-  switch (command) {
-    case IDC_BACK:
-      return ui::TouchBarAction::BACK;
-    case IDC_FORWARD:
-      return ui::TouchBarAction::FORWARD;
-    case IDC_STOP:
-      return ui::TouchBarAction::STOP;
-    case IDC_RELOAD:
-      return ui::TouchBarAction::RELOAD;
-    case IDC_HOME:
-      return ui::TouchBarAction::HOME;
-    case IDC_FOCUS_LOCATION:
-      return ui::TouchBarAction::SEARCH;
-    case IDC_BOOKMARK_THIS_TAB:
-      return ui::TouchBarAction::STAR;
-    case IDC_NEW_TAB:
-      return ui::TouchBarAction::NEW_TAB;
-    default:
-      NOTREACHED();
-      return ui::TouchBarAction::TOUCH_BAR_ACTION_COUNT;
-  }
-}
-
 // A class registered for C++ notifications. This is used to detect changes in
 // the profile preferences and the back/forward commands.
 class TouchBarNotificationBridge : public CommandObserver,
@@ -612,7 +588,6 @@ class TouchBarNotificationBridge : public CommandObserver,
 
 - (void)executeCommand:(id)sender {
   int command = [sender tag];
-  ui::LogTouchBarUMA(TouchBarActionFromCommand(command));
   _browser->command_controller()->ExecuteCommand(command);
 }
 

chrome/browser/ui/cocoa/touchbar/credit_card_autofill_touch_bar_controller.mm

@@ -177,7 +177,6 @@ NSImage* GetCreditCardTouchBarImage(int iconId) {
 }
 
 - (void)acceptCreditCard:(id)sender {
-  ui::LogTouchBarUMA(ui::TouchBarAction::CREDIT_CARD_AUTOFILL);
   _controller->AcceptSuggestion([sender tag]);
 }
 

chrome/browser/ui/cocoa/touchbar/credit_card_autofill_touch_bar_controller_unittest.mm

@@ -7,7 +7,6 @@
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
-#include "base/test/metrics/histogram_tester.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller.h"
 #import "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
@@ -164,15 +163,4 @@ TEST_F(CreditCardAutofillTouchBarControllerUnitTest, CreditCardButtonCheck) {
   EXPECT_EQ("bufflehead canvasback", base::SysNSStringToUTF8([button title]));
 }
 
-// Tests that the touch bar histogram is logged correctly.
-TEST_F(CreditCardAutofillTouchBarControllerUnitTest, TouchBarMetric) {
-  {
-    base::HistogramTester histogram_tester;
-    [touch_bar_controller_ acceptCreditCard:nil];
-    histogram_tester.ExpectBucketCount("TouchBar.Default.Metrics",
-                                       ui::TouchBarAction::CREDIT_CARD_AUTOFILL,
-                                       1);
-  }
-}
-
 }  // namespace

content/app_shim_remote_cocoa/render_widget_host_view_cocoa.mm

@@ -500,8 +500,6 @@ void ExtractUnderlines(NSAttributedString* string,
   replacementRange.location += _availableTextOffset;
   [self insertText:selectedResult.replacementString
       replacementRange:replacementRange];
-
-  ui::LogTouchBarUMA(ui::TouchBarAction::TEXT_SUGGESTION);
 }
 
 - (void)candidateListTouchBarItem:(NSCandidateListTouchBarItem*)anItem

tools/metrics/histograms/enums.xml

@@ -24716,19 +24716,6 @@ Called by update_debug_scenarios.py.-->
   <int value="8" label="DSP set to new engine with no previous value in prefs"/>
 </enum>
 
-<enum name="DefaultTouchBarActions">
-  <int value="0" label="Back"/>
-  <int value="1" label="Forward"/>
-  <int value="2" label="Stop"/>
-  <int value="3" label="Reload"/>
-  <int value="4" label="Home"/>
-  <int value="5" label="Search"/>
-  <int value="6" label="Star"/>
-  <int value="7" label="New Tab"/>
-  <int value="8" label="Credit Card Autofill"/>
-  <int value="9" label="Text Suggestion"/>
-</enum>
-
 <enum name="DefaultWebClientState">
   <int value="0" label="Not default">Chrome is not the default web client.</int>
   <int value="1" label="Is default">Chrome is the default web client.</int>

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

@@ -13979,13 +13979,6 @@ should be kept until we use this API.  -->
   </summary>
 </histogram>
 
-<histogram name="TouchBar.Default.Metrics" enum="DefaultTouchBarActions"
-    expires_after="2022-09-11">
-  <owner>ellyjones@chromium.org</owner>
-  <owner>chrome-mac-dev@google.com</owner>
-  <summary>Tracks the usage of the default touch bar buttons.</summary>
-</histogram>
-
 <histogram name="Touchpad.Acceleration.Changed" enum="BooleanEnabled"
     expires_after="M87">
   <owner>zentaro@chromium.org</owner>

ui/base/cocoa/touch_bar_util.h

@@ -12,25 +12,6 @@
 
 namespace ui {
 
-// The touch bar actions that are being recorded in a histogram. These values
-// should not be re-ordered or removed.
-enum TouchBarAction {
-  BACK = 0,
-  FORWARD,
-  STOP,
-  RELOAD,
-  HOME,
-  SEARCH,
-  STAR,
-  NEW_TAB,
-  CREDIT_CARD_AUTOFILL,
-  TEXT_SUGGESTION,
-  TOUCH_BAR_ACTION_COUNT
-};
-
-// Logs the sample's UMA metrics into the DefaultTouchBar.Metrics histogram.
-COMPONENT_EXPORT(UI_BASE) void LogTouchBarUMA(TouchBarAction command);
-
 // Creates a touch bar identifier with the given |id|.
 COMPONENT_EXPORT(UI_BASE) NSString* GetTouchBarId(NSString* touch_bar_id);
 

ui/base/cocoa/touch_bar_util.mm

@@ -5,16 +5,10 @@
 #import "ui/base/cocoa/touch_bar_util.h"
 
 #include "base/mac/foundation_util.h"
-#include "base/metrics/histogram_macros.h"
 #include "base/strings/sys_string_conversions.h"
 
 namespace ui {
 
-void LogTouchBarUMA(TouchBarAction command) {
-  UMA_HISTOGRAM_ENUMERATION("TouchBar.Default.Metrics", command,
-                            TOUCH_BAR_ACTION_COUNT);
-}
-
 NSString* GetTouchBarId(NSString* touch_bar_id) {
   NSString* chrome_bundle_id =
       base::SysUTF8ToNSString(base::mac::BaseBundleID());