Rid the world of the last of views::Event types: TouchEvent, GestureEvent, MouseWheelEvent, ScrollE…

ui/views/widget/root_view.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_WIDGET_ROOT_VIEW_H_
 #define UI_VIEWS_WIDGET_ROOT_VIEW_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 85 matching lines @@
   virtual Widget* GetWidget() OVERRIDE;
   virtual bool IsDrawn() const OVERRIDE;
   virtual std::string GetClassName() const OVERRIDE;
   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual void OnMouseMoved(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
-  virtual bool OnMouseWheel(const MouseWheelEvent& event) OVERRIDE;
-  virtual bool OnScrollEvent(const ScrollEvent& event) OVERRIDE;
-  virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event) OVERRIDE;
-  virtual ui::GestureStatus OnGestureEvent(const GestureEvent& event) OVERRIDE;
+  virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
+  virtual bool OnScrollEvent(const ui::ScrollEvent& event) OVERRIDE;
+  virtual ui::TouchStatus OnTouchEvent(const ui::TouchEvent& event) OVERRIDE;
+  virtual ui::GestureStatus OnGestureEvent(
+      const ui::GestureEvent& event) OVERRIDE;
   virtual void SetMouseHandler(View* new_mouse_handler) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual void ReorderChildLayers(ui::Layer* parent_layer) OVERRIDE;
 
  protected:
   // Overridden from View:
   virtual void ViewHierarchyChanged(bool is_add, View* parent,
                                     View* child) OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void CalculateOffsetToAncestorWithLayer(
@@ skipping 77 matching lines @@
   // Tracks drag state for a view.
   View::DragInfo drag_info_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(RootView);
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_ROOT_VIEW_H_