[Android] Show autofill popup after animation.

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 883cd066a61e1e20659b827f657b07bef23463bb..7f01b10cabc86b1264c55b5cf73f9fc78e09c7ae 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -228,6 +228,9 @@ class CONTENT_EXPORT RenderWidget
   virtual void InstrumentDidCancelFrame() {}
   virtual void InstrumentWillComposite() {}
 
+  // Called by the compositor when page scale animation completed.
+  virtual void DidCompletePageScaleAnimation() {}
+
   // When paused in debugger, we send ack for mouse event early. This ensures
   // that we continue receiving mouse moves and pass them to debugger. Returns
   // whether we are paused in mouse move event and have sent the ack.
@@ -291,6 +294,8 @@ class CONTENT_EXPORT RenderWidget
   void UpdateTextInputState(ShowIme show_ime, ChangeSource change_source);
 #endif
 
+  virtual void FocusChangeComplete() {}
+
   // Checks if the composition range or composition character bounds have been
   // changed. If they are changed, the new value will be sent to the browser
   // process. This method does nothing when the browser process is not able to