[Android] Add GestureStateListener hook for all single-tap event acks

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

Index: content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java b/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
index 15971606a1eb10542b1ff3389e6978dd6e8760b2..caac14f4e4a9c38727d1d9d379d5dd953c903a97 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
@@ -63,7 +63,8 @@ public class GestureStateListener {
     public void onScrollOffsetOrExtentChanged(int scrollOffsetY, int scrollExtentY) {}
 
     /*
-     * Called when a tap event was not handled by the renderer.
+     * Called after a single-tap gesture event was dispatched to the renderer,
+     * indicating whether or not the gesture was consumed.
      */
-    public void onUnhandledTapEvent(int x, int y) {}
+    public void onSingleTap(boolean consumed, int x, int y) {}
 }