Support focus highlight in Android window

components/arc/common/arc_bridge.mojom

Index: components/arc/common/arc_bridge.mojom
diff --git a/components/arc/common/arc_bridge.mojom b/components/arc/common/arc_bridge.mojom
index 94b0aa8767cd83b378a10b7a94cdc1e654f399ca..7b8a9c528d46024fd76927f23b5627f4cb0a5be0 100644
--- a/components/arc/common/arc_bridge.mojom
+++ b/components/arc/common/arc_bridge.mojom
@@ -4,6 +4,7 @@
 
 module arc.mojom;
 
+import "accessibility_helper.mojom";
 import "app.mojom";
 import "audio.mojom";
 import "auth.mojom";
@@ -29,14 +30,18 @@ import "tts.mojom";
 import "video.mojom";
 import "wallpaper.mojom";
 
-// Next MinVersion: 21
+// Next MinVersion: 22
 // Deprecated method IDs: 101, 105
-// Next method ID: 127
+// Next method ID: 128
 interface ArcBridgeHost {
   // Keep the entries alphabetical. In order to do so without breaking
   // compatibility with the ARC instance, explicitly assign each interface a
   // unique ordinal.
 
+  // Notifies Chrome that the AccessibilityHelperInstance interface is ready.
+  [MinVersion=21] OnAccessibilityHelperInstanceReady@127(
+      AccessibilityHelperInstance instance_ptr);
+
   // Notifies Chrome that the AppInstance interface is ready.
   OnAppInstanceReady@100(AppInstance instance_ptr);