IPC messages and changes to ResourceLoaderBridge to support resource loading for media

chrome/browser/renderer_host/resource_message_filter.h

 // Copyright (c) 2006-2008 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_RENDERER_HOST_RESOURCE_MSG_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 83 matching lines @@
 
  private:
   void OnMsgCreateWindow(int opener_id, bool user_gesture, int* route_id,
                          ModalDialogEvent* modal_dialog_event);
   void OnMsgCreateWidget(int opener_id, bool activatable, int* route_id);
   void OnRequestResource(const IPC::Message& msg, int request_id,
                          const ViewHostMsg_Resource_Request& request);
   void OnCancelRequest(int request_id);
   void OnClosePageACK(int new_render_process_host_id, int new_request_id);
   void OnDataReceivedACK(int request_id);
+  void OnDownloadProgressACK(int request_id);
   void OnUploadProgressACK(int request_id);
   void OnSyncLoad(int request_id,
                   const ViewHostMsg_Resource_Request& request,
                   IPC::Message* result_message);
   void OnSetCookie(const GURL& url, const GURL& policy_url,
                    const std::string& cookie);
   void OnGetCookies(const GURL& url, const GURL& policy_url,
                     std::string* cookies);
   void OnGetDataDir(std::wstring* data_dir);
   void OnPluginMessage(const FilePath& plugin_path,
@@ skipping 130 matching lines @@
   // Helper class for handling PluginProcessHost_ResolveProxy messages (manages
   // the requests to the proxy service).
   ResolveProxyMsgHelper resolve_proxy_msg_helper_;
 
   // Process handle of the renderer process.
   base::ProcessHandle render_handle_;
 
   // Contextual information to be used for requests created here.
   scoped_refptr<URLRequestContext> request_context_;
 
+  // A request context specific for media resources.
+  scoped_refptr<URLRequestContext> media_request_context_;
+
   // A pointer to the profile associated with this filter.
   //
   // DANGER! Do not dereference this pointer! This class lives on the I/O thread
   // and the profile may only be used on the UI thread. It is used only for
   // determining which notifications to watch for.
   //
   // This is void* to prevent people from accidentally dereferencing it.
   // When registering for observers, cast to Profile*.
   void* profile_;
 
   scoped_refptr<RenderWidgetHelper> render_widget_helper_;
 
   // Object that should take care of audio related resource requests.
   scoped_refptr<AudioRendererHost> audio_renderer_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_