Move Extension into extensions namespace

chrome/browser/extensions/extension_function_dispatcher.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_FUNCTION_DISPATCHER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/profiles/profile.h"
 #include "ipc/ipc_message.h"
 #include "googleurl/src/gurl.h"
 
 class ChromeRenderMessageFilter;
-class Extension;
 class ExtensionFunction;
 class ExtensionWindowController;
 class ExtensionInfoMap;
 class Profile;
 struct ExtensionHostMsg_Request_Params;
 
 namespace content {
 class RenderViewHost;
 class WebContents;
 }
 
 namespace extensions {
+class Extension;
 class ExtensionAPI;
 class ProcessMap;
 }
 
 // A factory function for creating new ExtensionFunction instances.
 typedef ExtensionFunction* (*ExtensionFunctionFactory)();
 
 // ExtensionFunctionDispatcher receives requests to execute functions from
 // Chrome extensions running in a RenderViewHost and dispatches them to the
 // appropriate handler. It lives entirely on the UI thread.
@@ skipping 56 matching lines @@
   ~ExtensionFunctionDispatcher();
 
   Delegate* delegate() { return delegate_; }
 
   // Message handlers.
   void Dispatch(const ExtensionHostMsg_Request_Params& params,
                 content::RenderViewHost* sender);
 
   // Called when an ExtensionFunction is done executing, after it has sent
   // a response (if any) to the extension.
-  void OnExtensionFunctionCompleted(const Extension* extension);
+  void OnExtensionFunctionCompleted(const extensions::Extension* extension);
 
   // The profile that this dispatcher is associated with.
   Profile* profile() { return profile_; }
 
  private:
   // Helper to create an ExtensionFunction to handle the function given by
   // |params|. Can be called on any thread.
   // Does not set subclass properties, or include_incognito.
   static ExtensionFunction* CreateExtensionFunction(
       const ExtensionHostMsg_Request_Params& params,
-      const Extension* extension,
+      const extensions::Extension* extension,
       int requesting_process_id,
       const extensions::ProcessMap& process_map,
       extensions::ExtensionAPI* api,
       void* profile,
       IPC::Message::Sender* ipc_sender,
       int routing_id);
 
   // Helper to send an access denied error to the requesting renderer. Can be
   // called on any thread.
   static void SendAccessDenied(IPC::Message::Sender* ipc_sender,
                                int routing_id,
                                int request_id);
 
   Profile* profile_;
 
   Delegate* delegate_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_