aura: Use EventPrcessor interface for dispatching touch events.

ui/aura/root_window.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_ROOT_WINDOW_H_
 #define UI_AURA_ROOT_WINDOW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 286 matching lines @@
   // ReleaseMouseMoves()/ReleaseTouchMoves() is called.  NOTE: because these
   // methods dispatch events from RootWindowHost the coordinates are in terms of
   // the root.
   ui::EventDispatchDetails DispatchMouseEventImpl(ui::MouseEvent* event)
       WARN_UNUSED_RESULT;
   ui::EventDispatchDetails DispatchMouseEventRepost(ui::MouseEvent* event)
       WARN_UNUSED_RESULT;
   ui::EventDispatchDetails DispatchMouseEventToTarget(ui::MouseEvent* event,
                                                       Window* target)
       WARN_UNUSED_RESULT;
-  ui::EventDispatchDetails DispatchTouchEventImpl(ui::TouchEvent* event)
-      WARN_UNUSED_RESULT;
   ui::EventDispatchDetails DispatchHeldEvents() WARN_UNUSED_RESULT;
   // Creates and dispatches synthesized mouse move event using the
   // current mouse location.
   ui::EventDispatchDetails SynthesizeMouseMoveEvent() WARN_UNUSED_RESULT;
 
   void SynthesizeMouseMoveEventAsync();
 
   // Posts a task to send synthesized mouse move event if there
   // is no a pending task.
   void PostMouseMoveEventAfterWindowChange();
 
   void PreDispatchLocatedEvent(Window* target, ui::LocatedEvent* event);
+  void PreDispatchTouchEvent(Window* target, ui::TouchEvent* event);
 
   // TODO(beng): evaluate the ideal ownership model.
   scoped_ptr<Window> window_;
 
   scoped_ptr<RootWindowHost> host_;
 
   // Touch ids that are currently down.
   uint32 touch_ids_down_;
 
   // Last cursor set.  Used for testing.
@@ skipping 26 matching lines @@
 
   // Used to schedule DispatchHeldEvents() when |move_hold_count_| goes to 0.
   base::WeakPtrFactory<RootWindow> held_event_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindow);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_H_