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

chrome/browser/ui/views/location_bar/ev_bubble_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_EV_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_EV_BUBBLE_VIEW_H_
 
 #include "chrome/browser/ui/views/location_bar/icon_label_bubble_view.h"
 #include "chrome/browser/ui/views/location_bar/page_info_helper.h"
 
@@ skipping 10 matching lines @@
                int contained_image,
                SkColor color,
                LocationBarView* location_bar);
   virtual ~EVBubbleView();
 
   // Overridden from View.
   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;
 
  private:
   PageInfoHelper page_info_helper_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(EVBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_EV_BUBBLE_VIEW_H_