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

chrome/common/resource_dispatcher.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CHROME_COMMON_RESOURCE_DISPATCHER_H__
 #define CHROME_COMMON_RESOURCE_DISPATCHER_H__
 
 #include <deque>
@@ skipping 80 matching lines @@
     bool mixed_content;
     bool is_deferred;
   };
   typedef base::hash_map<int, PendingRequestInfo> PendingRequestList;
 
   // Message response handlers, called by the message handler for this process.
   void OnUploadProgress(const IPC::Message& message,
                         int request_id,
                         int64 position,
                         int64 size);
+  void OnDownloadProgress(int request_id, int64 position, int64 size);
   void OnReceivedResponse(int request_id, const ResourceResponseHead&);
   void OnReceivedRedirect(int request_id, const GURL& new_url);
   void OnReceivedData(const IPC::Message& message,
                       int request_id,
                       base::SharedMemoryHandle data,
                       int data_len);
   void OnRequestComplete(int request_id,
                          const URLRequestStatus& status,
                          const std::string& security_info);
 
   // Dispatch the message to one of the message response handlers.
   void DispatchMessage(const IPC::Message& message);
 
   // Dispatch any deferred messages for the given request, provided it is not
   // again in the deferred state.
   void FlushDeferredMessages(int request_id);
 
   IPC::Message::Sender* message_sender_;
 
   // All pending requests issued to the host
   PendingRequestList pending_requests_;
 
   ScopedRunnableMethodFactory<ResourceDispatcher> method_factory_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ResourceDispatcher);
 };
 
 #endif  // CHROME_COMMON_RESOURCE_DISPATCHER_H__