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

chrome/browser/ui/views/location_bar/ev_bubble_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/location_bar/ev_bubble_view.h"
 
 EVBubbleView::EVBubbleView(const int background_images[],
                            int contained_image,
                            SkColor color,
                            LocationBarView* location_bar)
     : IconLabelBubbleView(background_images, contained_image, color),
       ALLOW_THIS_IN_INITIALIZER_LIST(page_info_helper_(this, location_bar)) {
   SetElideInMiddle(true);
 }
 
 EVBubbleView::~EVBubbleView() {
 }
 
 bool EVBubbleView::OnMousePressed(const ui::MouseEvent& event) {
   // We want to show the dialog on mouse release; that is the standard behavior
   // for buttons.
   return true;
 }
 
 void EVBubbleView::OnMouseReleased(const ui::MouseEvent& event) {
   page_info_helper_.ProcessEvent(event);
 }
 
-ui::EventResult EVBubbleView::OnGestureEvent(ui::GestureEvent* event) {
+void EVBubbleView::OnGestureEvent(ui::GestureEvent* event) {
   if (event->type() == ui::ET_GESTURE_TAP) {
     page_info_helper_.ProcessEvent(*event);
-    return ui::ER_CONSUMED;
+    event->SetHandled();
   }
-  return ui::ER_UNHANDLED;
 }