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

ui/views/controls/scrollbar/base_scroll_bar.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_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_
 #define UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_
 
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/menu/menu_delegate.h"
@@ skipping 44 matching lines @@
   // Scroll the contents by the specified offset (contents coordinates).
   void ScrollByContentsOffset(int contents_offset);
 
   // View overrides:
   virtual gfx::Size GetPreferredSize() OVERRIDE = 0;
   virtual void Layout() OVERRIDE = 0;
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
-  virtual ui::GestureStatus OnGestureEvent(const GestureEvent& event) OVERRIDE;
-  virtual bool OnMouseWheel(const MouseWheelEvent& event) OVERRIDE;
+  virtual ui::GestureStatus OnGestureEvent(
+      const ui::GestureEvent& event) OVERRIDE;
+  virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
 
   // ScrollBar overrides:
   virtual void Update(int viewport_size,
                       int content_size,
                       int contents_scroll_offset) OVERRIDE;
   virtual int GetLayoutSize() const OVERRIDE = 0;
   virtual int GetPosition() const OVERRIDE;
 
   // ContextMenuController overrides.
   virtual void ShowContextMenuForView(View* source,
@@ skipping 78 matching lines @@
   int context_menu_mouse_position_;
 
   scoped_ptr<MenuRunner> menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseScrollBar);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_