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

chrome/browser/ui/views/location_bar/zoom_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/zoom_view.h"
 
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
 #include "chrome/browser/ui/zoom/zoom_controller.h"
@@ skipping 55 matching lines @@
 bool ZoomView::OnKeyPressed(const ui::KeyEvent& event) {
   if (event.key_code() != ui::VKEY_SPACE &&
       event.key_code() != ui::VKEY_RETURN) {
     return false;
   }
 
   ActivateBubble();
   return true;
 }
 
-ui::EventResult ZoomView::OnGestureEvent(ui::GestureEvent* event) {
-  if (event->type() != ui::ET_GESTURE_TAP)
-    return ui::ER_UNHANDLED;
-
-  ActivateBubble();
-  return ui::ER_CONSUMED;
+void ZoomView::OnGestureEvent(ui::GestureEvent* event) {
+  if (event->type() == ui::ET_GESTURE_TAP) {
+    ActivateBubble();
+    event->SetHandled();
+  }
 }
 
 int ZoomView::GetBuiltInHorizontalPadding() const {
   return GetBuiltInHorizontalPaddingImpl();
 }
 
 void ZoomView::ActivateBubble() {
   ZoomBubbleView::ShowBubble(
       this, location_bar_delegate_->GetWebContents(), false);
 }