views: Some code cleanup: touch-events are not used to generate mouse-events anymore.

ui/views/events/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_VIEWS_EVENTS_EVENT_H_
 #define UI_VIEWS_EVENTS_EVENT_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 124 matching lines @@
   // from |source| coordinate system to |target| coordinate system.
   LocatedEvent(const LocatedEvent& model, View* source, View* target);
 
   // This constructor is to allow converting the location of an event from the
   // widget's coordinate system to the RootView's coordinate system.
   LocatedEvent(const LocatedEvent& model, View* root);
 
   gfx::Point location_;
 };
 
-class TouchEvent;
-
 ////////////////////////////////////////////////////////////////////////////////
 //
 // MouseEvent class
 //
 // A mouse event is used for any input event related to the mouse.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class VIEWS_EXPORT MouseEvent : public LocatedEvent {
  public:
   explicit MouseEvent(const NativeEvent& native_event);
   // Create a new MouseEvent which is identical to the provided model.
   // If source / target views are provided, the model location will be converted
   // from |source| coordinate system to |target| coordinate system.
   MouseEvent(const MouseEvent& model, View* source, View* target);
 
-  // Creates a new MouseEvent from a TouchEvent. The location of the TouchEvent
-  // is the same as the MouseEvent. Other attributes (e.g. type, flags) are
-  // mapped from the TouchEvent to appropriate MouseEvent attributes.
-  // GestureManager uses this to convert TouchEvents that are not handled by any
-  // view.
-  explicit MouseEvent(const TouchEvent& touch);
-
   // TODO(msw): Kill this legacy constructor when we update uses.
   // Create a new mouse event
   MouseEvent(ui::EventType type, int x, int y, int flags)
       : LocatedEvent(type, gfx::Point(x, y), flags) {
   }
 
   // Conveniences to quickly test what button is down
   bool IsOnlyLeftMouseButton() const {
     return (flags() & ui::EF_LEFT_MOUSE_BUTTON) &&
       !(flags() & (ui::EF_MIDDLE_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON));
@@ skipping 269 matching lines @@
  public:
   GestureEventForTest(ui::EventType type, int x, int y, int flags);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GestureEventForTest);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_EVENTS_EVENT_H_