Revert 106677 (caused several PPAPI test timeouts, see http://crbug.com/101154)

ppapi/proxy/ppb_url_loader_proxy.h

 // Copyright (c) 2011 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 PPAPI_PPB_URL_LOADER_PROXY_H_
 #define PPAPI_PPB_URL_LOADER_PROXY_H_
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
@@ skipping 23 matching lines @@
 
   static const Info* GetTrustedInfo();
 
   static PP_Resource CreateProxyResource(PP_Instance instance);
 
   // URLLoader objects are normally allocated by the Create function, but
   // they are also provided to PPP_Instance.OnMsgHandleDocumentLoad. This
   // function allows the proxy for DocumentLoad to create the correct plugin
   // proxied info for the given browser-supplied URLLoader resource ID.
   static PP_Resource TrackPluginResource(
-      const HostResource& url_loader_resource);
+      const ppapi::HostResource& url_loader_resource);
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
   // URLLoader objects are sent from places other than just URLLoader.Create,
   // in particular when doing a full-frame plugin. This function does the
   // necessary setup in the host before the resource is sent. Call this any
   // time you're sending a new URLLoader that the plugin hasn't seen yet.
   void PrepareURLLoaderForSendingToPlugin(PP_Resource resource);
 
   static const ApiID kApiID = API_ID_PPB_URL_LOADER;
 
  private:
   // Data associated with callbacks for ReadResponseBody.
   struct ReadCallbackInfo;
 
   // Plugin->renderer message handlers.
   void OnMsgCreate(PP_Instance instance,
-                   HostResource* result);
-  void OnMsgOpen(const HostResource& loader,
-                 const PPB_URLRequestInfo_Data& data);
-  void OnMsgFollowRedirect(const HostResource& loader);
-  void OnMsgGetResponseInfo(const HostResource& loader,
-                            HostResource* result);
-  void OnMsgReadResponseBody(const HostResource& loader,
+                   ppapi::HostResource* result);
+  void OnMsgOpen(const ppapi::HostResource& loader,
+                 const PPB_URLRequestInfo_Data& data,
+                 uint32_t serialized_callback);
+  void OnMsgFollowRedirect(const ppapi::HostResource& loader,
+                           uint32_t serialized_callback);
+  void OnMsgGetResponseInfo(const ppapi::HostResource& loader,
+                            ppapi::HostResource* result);
+  void OnMsgReadResponseBody(const ppapi::HostResource& loader,
                              int32_t bytes_to_read);
-  void OnMsgFinishStreamingToFile(const HostResource& loader);
-  void OnMsgClose(const HostResource& loader);
-  void OnMsgGrantUniversalAccess(const HostResource& loader);
+  void OnMsgFinishStreamingToFile(const ppapi::HostResource& loader,
+                                  uint32_t serialized_callback);
+  void OnMsgClose(const ppapi::HostResource& loader);
+  void OnMsgGrantUniversalAccess(const ppapi::HostResource& loader);
 
   // Renderer->plugin message handlers.
   void OnMsgUpdateProgress(
       const PPBURLLoader_UpdateProgress_Params& params);
-  void OnMsgReadResponseBodyAck(const HostResource& host_resource,
+  void OnMsgReadResponseBodyAck(const ppapi::HostResource& pp_resource,
                                 int32_t result,
                                 const std::string& data);
-  void OnMsgCallbackComplete(const HostResource& host_resource, int32_t result);
 
   // Handles callbacks for read complete messages. Takes ownership of the info
   // pointer.
   void OnReadCallback(int32_t result, ReadCallbackInfo* info);
 
-  // Handles callback for everything but reads.
-  void OnCallback(int32_t result, const HostResource& resource);
-
   pp::CompletionCallbackFactory<PPB_URLLoader_Proxy,
                                 ProxyNonThreadSafeRefCount> callback_factory_;
 
   // Valid only in the host, this lazily-initialized pointer indicates the
   // URLLoaderTrusted interface.
   const PPB_URLLoaderTrusted* host_urlloader_trusted_interface_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PPB_URL_LOADER_PROXY_H_