events: Change gesture-event handler in EventHandler to not return any values.

chrome/browser/ui/views/location_bar/location_icon_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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_ICON_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_ICON_VIEW_H_
 
 #include "chrome/browser/ui/views/location_bar/page_info_helper.h"
 #include "chrome/browser/ui/views/location_bar/touchable_location_bar_view.h"
 #include "ui/views/controls/image_view.h"
@@ skipping 11 matching lines @@
       public TouchableLocationBarView {
  public:
   explicit LocationIconView(LocationBarView* location_bar);
   virtual ~LocationIconView();
 
   // Overridden from views::ImageView:
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
 
   // Overridden from ui::EventHandler:
-  virtual ui::EventResult OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
+  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 
   // TouchableLocationBarView.
   virtual int GetBuiltInHorizontalPadding() const OVERRIDE;
 
   // Whether we should show the tooltip for this icon or not.
   void ShowTooltip(bool show);
 
  private:
   PageInfoHelper page_info_helper_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(LocationIconView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_ICON_VIEW_H_