Defer synthetic gesture completions until events have been flushed

content/browser/renderer_host/input/mock_input_router_client.h

Index: content/browser/renderer_host/input/mock_input_router_client.h
diff --git a/content/browser/renderer_host/input/mock_input_router_client.h b/content/browser/renderer_host/input/mock_input_router_client.h
index d2ea81d45cc55dc90dba7843a5aaf1ae90c48036..fdfbbc5a43c4eaa8dc639a55a43ba0dd8f4d115c 100644
--- a/content/browser/renderer_host/input/mock_input_router_client.h
+++ b/content/browser/renderer_host/input/mock_input_router_client.h
@@ -30,6 +30,7 @@ class MockInputRouterClient : public InputRouterClient {
   virtual void SetNeedsFlush() OVERRIDE;
 
   bool GetAndResetFilterEventCalled();
+  size_t GetAndResetDidFlushCount();
 
   void set_input_router(InputRouter* input_router) {
     input_router_ = input_router;
@@ -46,9 +47,6 @@ class MockInputRouterClient : public InputRouterClient {
     filter_state_ = INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
   }
 
-  bool did_flush_called() const { return did_flush_called_; }
-  bool needs_flush_called() const { return set_needs_flush_called_; }
-
  private:
   InputRouter* input_router_;
   int in_flight_event_count_;
@@ -59,7 +57,7 @@ class MockInputRouterClient : public InputRouterClient {
   bool filter_input_event_called_;
   scoped_ptr<InputEvent> last_filter_event_;
 
-  bool did_flush_called_;
+  size_t did_flush_called_count_;
   bool set_needs_flush_called_;
 };