Sync Ime and Keyboard events.

content/renderer/gpu/input_event_filter.h

Index: content/renderer/gpu/input_event_filter.h
diff --git a/content/renderer/gpu/input_event_filter.h b/content/renderer/gpu/input_event_filter.h
index 690e9bdf0c42a5075db26e11de1fc22238b19def..93abf2f7522f6d6e1fb40a898b40f059918f2d3b 100644
--- a/content/renderer/gpu/input_event_filter.h
+++ b/content/renderer/gpu/input_event_filter.h
@@ -75,6 +75,13 @@ class CONTENT_EXPORT InputEventFilter
   void SendACKOnIOThread(int routing_id, WebKit::WebInputEvent::Type event_type,
                          InputEventAckState ack_result);
 
+  // Queues the given IME event message in the message_ queue if the queue is
+  // not empty and returns true, otherwise returns false.
+  bool QueueImeEvent(const IPC::Message& message);
+
+  // Forwards pending IME event messages to the renderer.
+  void ForwardPendingImeEvents();
+
   scoped_refptr<base::MessageLoopProxy> main_loop_;
   IPC::Listener* main_listener_;