Don't pass touches to gesture recognizer for async acks.

ui/aura/window_tree_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_TREE_HOST_H_
 #define UI_AURA_WINDOW_TREE_HOST_H_
 
 #include <vector>
 
 #include "base/event_types.h"
@@ skipping 48 matching lines @@
 
   Window* window() { return window_; }
   const Window* window() const { return window_; }
 
   ui::EventProcessor* event_processor();
 
   WindowEventDispatcher* dispatcher() {
     return const_cast<WindowEventDispatcher*>(
         const_cast<const WindowTreeHost*>(this)->dispatcher());
   }
-  const WindowEventDispatcher* dispatcher() const { return dispatcher_.get(); }
 
   ui::Compositor* compositor() { return compositor_.get(); }
 
   // Gets/Sets the root window's transform.
   virtual gfx::Transform GetRootTransform() const;
   virtual void SetRootTransform(const gfx::Transform& transform);
   virtual gfx::Transform GetInverseRootTransform() const;
 
   // Updates the root window's size using |host_size|, current
   // transform and insets.
@@ skipping 95 matching lines @@
                             const gfx::Point& host_location);
 
   // We don't use a scoped_ptr for |window_| since we need this ptr to be valid
   // during its deletion. (Window's dtor notifies observers that may attempt to
   // reach back up to access this object which will be valid until the end of
   // the dtor).
   Window* window_;  // Owning.
 
   ObserverList<WindowTreeHostObserver> observers_;
 
-  scoped_ptr<WindowEventDispatcher> dispatcher_;
+  const WindowEventDispatcher* dispatcher() const { return dispatcher_.get(); }
 
   scoped_ptr<ui::Compositor> compositor_;
 
   // Last cursor set.  Used for testing.
   gfx::NativeCursor last_cursor_;
   gfx::Point last_cursor_request_position_in_host_;
 
   scoped_ptr<ui::ViewProp> prop_;
+  scoped_ptr<WindowEventDispatcher> dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHost);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_TREE_HOST_H_

[sadrul, 2015/02/13 01:53:12]

Are any of the changes in this file necessary?

[tdresser, 2015/02/18 20:05:37]

Done.