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 23dda66c38bd70a0fb17eda0a2636b5fb6b3f0c1..358fae9c50d8d50f4cf227992c4c0c07341ca09d 100644
--- a/content/browser/renderer_host/input/touch_event_queue.h
+++ b/content/browser/renderer_host/input/touch_event_queue.h
@@ -61,6 +61,10 @@ 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;
@@ -88,6 +92,11 @@ 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. This behaviour is currently enabled only on aura behind a
+  // flag.
+  bool no_touch_move_to_renderer_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventQueue);
 };