[Mac] Finish up extension infobar UI implementation.

chrome/browser/cocoa/extensions/extension_action_context_menu.h

 // Copyright (c) 2010 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_COCOA_EXTENSIONS_EXTENSION_ACTION_CONTEXT_MENU_H_
 #define CHROME_BROWSER_COCOA_EXTENSIONS_EXTENSION_ACTION_CONTEXT_MENU_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
 #include "base/scoped_nsobject.h"
 
 class AsyncUninstaller;
 class DevmodeObserver;
 class Extension;
 class ExtensionAction;
 class NotificationRegistrar;
 class Profile;
 
 namespace extension_action_context_menu {
 
 class DevmodeObserver;
 
 }  // namespace extension_action_context_menu
 
-// A context menu used by the Browser and Page Action components that appears
-// if a user right-clicks the view of the given extension.
+// A context menu used by any extension UI components that require it.
 @interface ExtensionActionContextMenu : NSMenu {
  @private
   // The extension that this menu belongs to. Weak.
   Extension* extension_;
 
   // The extension action this menu belongs to. Weak.
   ExtensionAction* action_;
 
   // The browser profile of the window that contains this extension. Weak.
   Profile* profile_;
@@ skipping 15 matching lines @@
         extensionAction:(ExtensionAction*)action;
 
 // Show or hide the inspector menu item.
 - (void)updateInspectorItem;
 
 @end
 
 typedef ExtensionActionContextMenu ExtensionActionContextMenuMac;
 
 #endif  // CHROME_BROWSER_COCOA_EXTENSIONS_EXTENSION_ACTION_CONTEXT_MENU_H_