Modify ResourceMessageFilter so that it can support attaching to PluginProcessHost.

content/browser/renderer_host/socket_stream_dispatcher_host.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 CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_
 
 #include <vector>
 
+#include "base/callback_forward.h"
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
-#include "content/browser/loader/resource_message_filter.h"
 #include "content/browser/ssl/ssl_error_handler.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "net/socket_stream/socket_stream.h"
 
 class GURL;
 
 namespace net {
 class SSLInfo;
 }
 
 namespace content {
 class ResourceContext;
 class SocketStreamHost;
 
 // Dispatches ViewHostMsg_SocketStream_* messages sent from renderer.
 // It also acts as SocketStream::Delegate so that it sends
 // ViewMsg_SocketStream_* messages back to renderer.
 class SocketStreamDispatcherHost
     : public BrowserMessageFilter,
       public net::SocketStream::Delegate,
       public SSLErrorHandler::Delegate {
  public:
+  typedef base::Callback<net::URLRequestContext*(ResourceType::Type)>
+      GetRequestContextCallback;
   SocketStreamDispatcherHost(
       int render_process_id,
-      ResourceMessageFilter::URLRequestContextSelector* selector,
+      const GetRequestContextCallback& request_context_callback,
       ResourceContext* resource_context);
 
   // BrowserMessageFilter:
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
   // Make this object inactive.
   // Remove all active SocketStreamHost objects.
   void Shutdown();
 
@@ skipping 29 matching lines @@
   void OnConnect(int render_view_id, const GURL& url, int socket_id);
   void OnSendData(int socket_id, const std::vector<char>& data);
   void OnCloseReq(int socket_id);
 
   void DeleteSocketStreamHost(int socket_id);
 
   net::URLRequestContext* GetURLRequestContext();
 
   IDMap<SocketStreamHost> hosts_;
   int render_process_id_;
-  const scoped_ptr<ResourceMessageFilter::URLRequestContextSelector>
-      url_request_context_selector_;
+  GetRequestContextCallback request_context_callback_;
   ResourceContext* resource_context_;
 
   base::WeakPtrFactory<SocketStreamDispatcherHost> weak_ptr_factory_;
   bool on_shutdown_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_SOCKET_STREAM_DISPATCHER_HOST_H_