Implement initial chrome.browserAction.openPopup API.

chrome/browser/chrome_notification_types.h

 // Copyright 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 CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 
 #include "build/build_config.h"
 #include "content/public/browser/notification_types.h"
 
@@ skipping 532 matching lines @@
   // and the details is a std::pair of two std::string objects (an extension ID
   // and the name of the command being added).
   NOTIFICATION_EXTENSION_COMMAND_ADDED,
 
   // Sent when an extension command shortcut for a browser action is activated
   // on Mac. The source is the profile and the details is a std::pair of a
   // std::string containing an extension ID and a gfx::NativeWindow for the
   // associated window.
   NOTIFICATION_EXTENSION_COMMAND_BROWSER_ACTION_MAC,
 
+  NOTIFICATION_EXTENSION_COMMAND_BROWSER_ACTION_SHOW,

[mark a. foltz, 2013/10/07 22:08:14]

What are the source and details for the notification?  Seems like the source
could be the extension_id and the details an ExtensionAction*.

[justinlin, 2013/10/09 18:19:32]

no longer needed.

+
   // Sent when an extension command shortcut for a page action is activated
   // on Mac. The source is the profile and the details is a std::pair of a
   // std::string containing an extension ID and a gfx::NativeWindow for the
   // associated window.
   NOTIFICATION_EXTENSION_COMMAND_PAGE_ACTION_MAC,
 
   // Sent when an extension command shortcut for a script badge is activated
   // on Mac. The source is the profile and the details is a std::pair of a
   // std::string containing an extension ID and a gfx::NativeWindow for the
   // associated window.
@@ skipping 491 matching lines @@
   // Note:-
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_