Extract ExtensionFunctionRegistry from ExtensionFunctionDispatcher.

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/extensions/extension_factory_registry.h"

[Aaron Boodman, 2012/03/15 02:27:47]

You could forward declare the factory to avoid this include.

 #include "chrome/browser/profiles/profile.h"
 #include "ipc/ipc_message.h"
 #include "googleurl/src/gurl.h"
 
 class Browser;
 class ChromeRenderMessageFilter;
 class Extension;
 class ExtensionFunction;
 class Profile;
 struct ExtensionHostMsg_Request_Params;
 
 namespace content {
 class RenderViewHost;
 class WebContents;
 }
 
 namespace extensions {
 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.
 //
 // ExtensionFunctionDispatcher should be a member of some class that hosts
 // RenderViewHosts and wants them to be able to display extension content.
 // This class should also implement ExtensionFunctionDispatcher::Delegate.
 //
 // Note that a single ExtensionFunctionDispatcher does *not* correspond to a
 // single RVH, a single extension, or a single URL. This is by design so that
@@ skipping 88 matching lines @@
   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_