Move Extension into extensions namespace

chrome/browser/extensions/extension_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_EXTENSION_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_EVENT_ROUTER_H_
 #pragma once
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ipc/ipc_message.h"
 
 class GURL;
-class Extension;
 class ExtensionHost;
 class ExtensionDevToolsManager;
 class Profile;
 
 namespace content {
 class RenderProcessHost;
 }
 
+namespace extensions {
+class Extension;
+}
+
 class ExtensionEventRouter : public content::NotificationObserver {
  public:
   // These constants convey the state of our knowledge of whether we're in
   // a user-caused gesture as part of DispatchEvent.
   enum UserGestureState {
     USER_GESTURE_UNKNOWN = 0,
     USER_GESTURE_ENABLED = 1,
     USER_GESTURE_NOT_ENABLED = 2,
   };
 
@@ skipping 116 matching lines @@
   // Dispatches the event to a single listener process.
   void DispatchEventToListener(const ListenerProcess& listener,
                                const linked_ptr<ExtensionEvent>& event);
 
   // Returns false when the event is scoped to a profile and the listening
   // extension does not have access to events from that profile. Also fills
   // |event_args| with the proper arguments to send, which may differ if
   // the event crosses the incognito boundary.
   bool CanDispatchEventToProfile(
       Profile* profile,
-      const Extension* extension,
+      const extensions::Extension* extension,
       const linked_ptr<ExtensionEvent>& event,
       const std::string** event_args);
 
   // Ensures that all lazy background pages that are interested in the given
   // event are loaded, and queues the event if the page is not ready yet.
   // If |extension_id| is non-empty, we load only that extension's page
   // (assuming it is interested in the event).
   void LoadLazyBackgroundPagesForEvent(
       const std::string& extension_id,
       const linked_ptr<ExtensionEvent>& event);
 
   // Possibly loads given extension's background page in preparation to
   // dispatch an event.
   void MaybeLoadLazyBackgroundPage(
       Profile* profile,
-      const Extension* extension,
+      const extensions::Extension* extension,
       const linked_ptr<ExtensionEvent>& event);
 
   // Track of the number of dispatched events that have not yet sent an
   // ACK from the renderer.
-  void IncrementInFlightEvents(Profile* profile, const Extension* extension);
+  void IncrementInFlightEvents(Profile* profile,
+                               const extensions::Extension* extension);
 
   void DispatchPendingEvent(const linked_ptr<ExtensionEvent>& event,
                             ExtensionHost* host);
 
   Profile* profile_;
 
   content::NotificationRegistrar registrar_;
 
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
 
   // The list of active extension processes that are listening to events.
   ListenerMap listeners_;
 
   // The list of all the lazy (non-persistent) background pages that are
   // listening to events. This is just a cache of the real list, which is
   // stored on disk in the extension prefs.
   ListenerMap lazy_listeners_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionEventRouter);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_EVENT_ROUTER_H_