Make IsTriggerableEvent take Event objects and use it to verify whether tap events should trigger.

ui/views/controls/menu/menu_delegate.cc

 // Copyright (c) 2011 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 "ui/views/controls/menu/menu_config.h"
 #include "ui/views/controls/menu/menu_delegate.h"
 
 namespace views {
 
 MenuDelegate::~MenuDelegate() {}
@@ skipping 40 matching lines @@
 
 bool MenuDelegate::ShouldCloseAllMenusOnExecute(int id) {
   return true;
 }
 
 void MenuDelegate::ExecuteCommand(int id, int mouse_event_flags) {
   ExecuteCommand(id);
 }
 
 bool MenuDelegate::IsTriggerableEvent(MenuItemView* source,
-                                      const MouseEvent& e) {
-  return e.IsLeftMouseButton() || e.IsRightMouseButton();
+                                      const Event& e) {
+  return e.type() == ui::ET_GESTURE_TAP ||
+         e.type() == ui::ET_GESTURE_TAP_DOWN ||
+         (e.IsMouseEvent() && (e.flags() &
+              (ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON)));
 }
 
 bool MenuDelegate::CanDrop(MenuItemView* menu, const OSExchangeData& data) {
   return false;
 }
 
 bool MenuDelegate::GetDropFormats(
     MenuItemView* menu,
     int* formats,
     std::set<OSExchangeData::CustomFormat>* custom_formats) {
@@ skipping 45 matching lines @@
   return 800;
 }
 
 void MenuDelegate::WillShowMenu(MenuItemView* menu) {
 }
 
 void MenuDelegate::WillHideMenu(MenuItemView* menu) {
 }
 
 }  // namespace views