Begin whitelisting specific extensions for global key registration.

ui/events/event.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 UI_EVENTS_EVENT_H_
 #define UI_EVENTS_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
@@ skipping 65 matching lines @@
   // events that are not cancelable.
   bool cancelable() const { return cancelable_; }
 
   // The following methods return true if the respective keys were pressed at
   // the time the event was created.
   bool IsShiftDown() const { return (flags_ & EF_SHIFT_DOWN) != 0; }
   bool IsControlDown() const { return (flags_ & EF_CONTROL_DOWN) != 0; }
   bool IsCapsLockDown() const { return (flags_ & EF_CAPS_LOCK_DOWN) != 0; }
   bool IsAltDown() const { return (flags_ & EF_ALT_DOWN) != 0; }
   bool IsAltGrDown() const { return (flags_ & EF_ALTGR_DOWN) != 0; }
+  bool IsCommandDown() const { return (flags_ & EF_COMMAND_DOWN) != 0; }
   bool IsRepeat() const { return (flags_ & EF_IS_REPEAT) != 0; }
 
   bool IsKeyEvent() const {
     return type_ == ET_KEY_PRESSED ||
            type_ == ET_KEY_RELEASED ||
            type_ == ET_TRANSLATED_KEY_PRESS ||
            type_ == ET_TRANSLATED_KEY_RELEASE;
   }
 
   bool IsMouseEvent() const {
@@ skipping 582 matching lines @@
 
   const GestureEventDetails& details() const { return details_; }
 
  private:
   GestureEventDetails details_;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_EVENT_H_