Don't send touch move to renderer while scrolling

content/browser/renderer_host/input/touch_event_queue.h

Index: content/browser/renderer_host/input/touch_event_queue.h
diff --git a/content/browser/renderer_host/input/touch_event_queue.h b/content/browser/renderer_host/input/touch_event_queue.h
index 8fb4b9301f3de3e1e55ceea3dafd8e5c44f2aa3e..a4c90de9b03361202ed96273b63a158cb491b14c 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -60,6 +60,10 @@ class TouchEventQueue {
     return touch_queue_.empty();
   }
 
+  void set_no_touch_move_to_renderer(bool value) {
+    no_touch_move_to_renderer_ = value;
+  }
+
  private:
   friend class MockRenderWidgetHost;
   friend class ImmediateInputRouterTest;
@@ -86,6 +90,10 @@ class TouchEventQueue {
   // Used to defer touch forwarding when ack dispatch triggers |QueueEvent()|.
   bool dispatching_touch_ack_;
 
+  // Don't send touch move events to renderer. This is enabled when the page
+  // is scrolling.

[sadrul, 2013/08/13 19:40:04]

+ "This behaviour is currently enabled only on aura behind a flag."

[Yufeng Shen (Slow to review), 2013/08/13 20:17:27]

Done.

+  bool no_touch_move_to_renderer_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventQueue);
 };