Add feature flag for Android accessibility text formatting feature

AX-Relnotes: N/A
Bug: 370878026
Change-Id: I67cc7da385a33d6dea3c1dfdf0d3fc8186610cae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6282627
Commit-Queue: Rakina Zata Amni <rakina@chromium.org>
Auto-Submit: Mark Schillaci <mschillaci@google.com>
Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1422400}

chrome/browser/about_flags.cc

@@ -5791,6 +5791,10 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kAccessibilityIncludeLongClickActionDescription,
      kOsAndroid,
      FEATURE_VALUE_TYPE(features::kAccessibilityIncludeLongClickAction)},
+    {"enable-accessibility-text-formatting",
+     flag_descriptions::kAccessibilityTextFormattingName,
+     flag_descriptions::kAccessibilityTextFormattingDescription, kOsAndroid,
+     FEATURE_VALUE_TYPE(features::kAccessibilityTextFormatting)},
     {"enable-accessibility-unified-snapshots",
      flag_descriptions::kAccessibilityUnifiedSnapshotsName,
      flag_descriptions::kAccessibilityUnifiedSnapshotsDescription, kOsAndroid,

chrome/browser/flag-metadata.json

@@ -2412,6 +2412,11 @@
     "owners": [ "aluh@chromium.com", "//ash/accessibility/OWNERS" ],
     "expiry_milestone": 143
   },
+  {
+    "name": "enable-accessibility-text-formatting",
+    "owners": [ "mschillaci@google.com", "//ui/accessibility/OWNERS" ],
+    "expiry_milestone": 145
+  },
   {
     "name": "enable-accessibility-unified-snapshots",
     "owners": [ "mschillaci@google.com", "//ui/accessibility/OWNERS" ],

chrome/browser/flag_descriptions.cc

@@ -4165,6 +4165,11 @@ const char kAccessibilityIncludeLongClickActionDescription[] =
     "When enabled, the accessibility tree for the web contents will include "
     "the ACTION_LONG_CLICK action on all relevant nodes.";
 
+const char kAccessibilityTextFormattingName[] = "Accessibility Text Formatting";
+const char kAccessibilityTextFormattingDescription[] =
+    "When enabled, text formatting information will be included in the "
+    "AccessibilityNodeInfo tree on Android";
+
 const char kAccessibilityUnifiedSnapshotsName[] =
     "Accessibility Unified Snapshots";
 const char kAccessibilityUnifiedSnapshotsDescription[] =

chrome/browser/flag_descriptions.h

@@ -2428,6 +2428,8 @@ extern const char kAccessibilityDeprecateTypeAnnounceName[];
 extern const char kAccessibilityDeprecateTypeAnnounceDescription[];
 extern const char kAccessibilityIncludeLongClickActionName[];
 extern const char kAccessibilityIncludeLongClickActionDescription[];
+extern const char kAccessibilityTextFormattingName[];
+extern const char kAccessibilityTextFormattingDescription[];
 extern const char kAccessibilityUnifiedSnapshotsName[];
 extern const char kAccessibilityUnifiedSnapshotsDescription[];
 extern const char kAccessibilityManageBroadcastReceiverOnBackgroundName[];

content/browser/android/content_feature_map.cc

@@ -31,6 +31,7 @@ const base::Feature* const kFeaturesExposedToJava[] = {
     &features::kAccessibilityDeprecateTypeAnnounce,
     &features::kAccessibilityIncludeLongClickAction,
     &features::kAccessibilityPageZoomV2,
+    &features::kAccessibilityTextFormatting,
     &features::kAccessibilityUnifiedSnapshots,
     &features::kAccessibilityManageBroadcastReceiverOnBackground,
     &features::kAndroidFallbackToNextSlot,

content/public/android/java/src/org/chromium/content_public/browser/ContentFeatureList.java

@@ -23,6 +23,8 @@ public class ContentFeatureList {
 
     public static final String ACCESSIBILITY_PAGE_ZOOM_V2 = "AccessibilityPageZoomV2";
 
+    public static final String ACCESSIBILITY_TEXT_FORMATTING = "AccessibilityTextFormatting";
+
     public static final String ACCESSIBILITY_UNIFIED_SNAPSHOTS = "AccessibilityUnifiedSnapshots";
     public static final String ACCESSIBILITY_MANAGE_BROADCAST_RECEIVER_ON_BACKGROUND =
             "AccessibilityManageBroadcastReceiverOnBackground";

content/public/common/content_features.cc

@@ -1306,6 +1306,12 @@ BASE_FEATURE(kAccessibilityPageZoomV2,
              "AccessibilityPageZoomV2",
              base::FEATURE_DISABLED_BY_DEFAULT);
 
+// Enables the addition of text formatting information to the Android
+// AccessibilityNodeInfo accessibility tree.
+BASE_FEATURE(kAccessibilityTextFormatting,
+             "AccessibilityTextFormatting",
+             base::FEATURE_DISABLED_BY_DEFAULT);
+
 // Enables the use of a unified code path for AXTree snapshots.
 BASE_FEATURE(kAccessibilityUnifiedSnapshots,
              "AccessibilityUnifiedSnapshots",

content/public/common/content_features.h

@@ -291,6 +291,7 @@ CONTENT_EXPORT BASE_DECLARE_FEATURE(kWebPermissionsApi);
 CONTENT_EXPORT BASE_DECLARE_FEATURE(kAccessibilityDeprecateTypeAnnounce);
 CONTENT_EXPORT BASE_DECLARE_FEATURE(kAccessibilityIncludeLongClickAction);
 CONTENT_EXPORT BASE_DECLARE_FEATURE(kAccessibilityPageZoomV2);
+CONTENT_EXPORT BASE_DECLARE_FEATURE(kAccessibilityTextFormatting);
 CONTENT_EXPORT BASE_DECLARE_FEATURE(kAccessibilityUnifiedSnapshots);
 CONTENT_EXPORT BASE_DECLARE_FEATURE(
     kAccessibilityManageBroadcastReceiverOnBackground);

testing/variations/fieldtrial_testing_config.json

@@ -150,6 +150,21 @@
             ]
         }
     ],
+    "AccessibilityTextFormatting": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "AccessibilityTextFormatting"
+                    ]
+                }
+            ]
+        }
+    ],
     "AccessibilityUnifiedSnapshots": [
         {
             "platforms": [

tools/metrics/histograms/enums.xml

@@ -18971,6 +18971,7 @@ from previous Chrome versions.
   <int value="1874910934" label="(Obsolete) CrOSSuspendToDiskAllowS4:disabled"/>
   <int value="1875156497" label="CaptureMode:enabled"/>
   <int value="1877769074" label="PhoneHubFeatureSetupErrorHandling:enabled"/>
+  <int value="1877956196" label="AccessibilityTextFormatting:disabled"/>
   <int value="1878331098" label="GuestViewCrossProcessFrames:enabled"/>
   <int value="1880148987" label="PrivacySandboxAdTopicsContentParity:disabled"/>
   <int value="1880955305" label="enable-preconnect-to-search"/>
@@ -19045,6 +19046,7 @@ from previous Chrome versions.
   <int value="1906901281" label="WebFilterInterstitialRefresh:enabled"/>
   <int value="1906942630" label="enable-easy-unlock"/>
   <int value="1907273605" label="NtpZeroSuggest:disabled"/>
+  <int value="1908930956" label="AccessibilityTextFormatting:enabled"/>
   <int value="1909117215" label="animated-image-resume"/>
   <int value="1909961759" label="SurfaceSyncFullscreenKillswitch:enabled"/>
   <int value="1910240042" label="enable-experimental-fullscreen-exit-ui"/>