Convert Aura to use ui::Event.

ui/base/event.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_BASE_EVENT_H_
 #define UI_BASE_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
@@ skipping 114 matching lines @@
     if (target && target != source)
       T::ConvertPointToTarget(source, target, &location_);
   }
 
   // Used for synthetic events in testing.
   LocatedEvent(EventType type,
                const gfx::Point& location,
                const gfx::Point& root_location,
                int flags);
 
+  LocatedEvent(const LocatedEvent& model);
+
   gfx::Point location_;
 
   gfx::Point root_location_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LocatedEvent);
 };
 
 class UI_EXPORT MouseEvent : public LocatedEvent {
  public:
   explicit MouseEvent(const base::NativeEvent& native_event);
 
   // Create a new MouseEvent based on the provided model.
   // Uses the provided |type| and |flags| for the new event.
   // If source / target windows are provided, the model location will be
   // converted from |source| coordinate system to |target| coordinate system.
@@ skipping 25 matching lines @@
       const MouseEvent& event1,
       const MouseEvent& event2);
 
   // Get the click count. Can be 1, 2 or 3 for mousedown messages, 0 otherwise.
   int GetClickCount() const;
 
   // Set the click count for a mousedown message. Can be 1, 2 or 3.
   void SetClickCount(int click_count);
 
  private:
+  explicit MouseEvent(const MouseEvent& model);
+
   gfx::Point root_location_;
 
   static MouseEvent* last_click_event_;
   // Returns the repeat count based on the previous mouse click, if it is
   // recent enough and within a small enough distance.
   static int GetRepeatCount(const MouseEvent& click_event);
-
-  DISALLOW_COPY_AND_ASSIGN(MouseEvent);
 };
 
 // TODO(beng): rename to TouchEvent after conversion is complete.
 class UI_EXPORT TouchEventImpl : public LocatedEvent,
                                  public TouchEvent {
  public:
   explicit TouchEventImpl(const base::NativeEvent& native_event);
 
   // Create a new TouchEventImpl which is identical to the provided model.
   // If source / target windows are provided, the model location will be
@@ skipping 209 matching lines @@
   // This value is stored as a bitfield because the number of touch ids varies,
   // but we currently don't need more than 32 touches at a time.
   const unsigned int touch_ids_bitfield_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureEventImpl);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_EVENT_H_