Move ExtensionAction from common/ to browser/.

chrome/browser/extensions/browser_event_router.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 CHROME_BROWSER_EXTENSIONS_BROWSER_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_BROWSER_EVENT_ROUTER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/api/tabs/tabs.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
+class ExtensionAction;
+
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 
 // The BrowserEventRouter listens to Browser window & tab events
 // and routes them to listeners inside extension process renderers.
 // BrowserEventRouter listens to *all* events, but will only route
 // events from windows/tabs within a profile to extension processes in the same
@@ skipping 195 matching lines @@
 
   // The main profile that owns this event router.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BROWSER_EVENT_ROUTER_H_