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

ui/views/controls/scroll_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_CONTROLS_SCROLL_VIEW_H_
 #define UI_VIEWS_CONTROLS_SCROLL_VIEW_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 55 matching lines @@
   // Returns the amount to scroll relative to the visible bounds. This invokes
   // either GetPageScrollIncrement or GetLineScrollIncrement to determine the
   // amount to scroll. If the view returns 0 (or a negative value) a default
   // value is used.
   virtual int GetScrollIncrement(ScrollBar* source,
                                  bool is_page,
                                  bool is_positive) OVERRIDE;
 
   // Keyboard events
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
-  virtual ui::GestureStatus OnGestureEvent(const GestureEvent& event) OVERRIDE;
-  virtual bool OnMouseWheel(const MouseWheelEvent& e) OVERRIDE;
+  virtual ui::GestureStatus OnGestureEvent(
+      const ui::GestureEvent& event) OVERRIDE;
+  virtual bool OnMouseWheel(const ui::MouseWheelEvent& e) OVERRIDE;
 
   virtual std::string GetClassName() const OVERRIDE;
 
   // Retrieves the vertical scrollbar width.
   int GetScrollBarWidth() const;
 
   // Retrieves the horizontal scrollbar height.
   int GetScrollBarHeight() const;
 
   // Computes the visibility of both scrollbars, taking in account the view port
@@ skipping 110 matching lines @@
  private:
   int top_margin_;
   int row_height_;
 
   DISALLOW_COPY_AND_ASSIGN(FixedRowHeightScrollHelper);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_SCROLL_VIEW_H_