Refactor the URLResponseInfo to use new design

ppapi/proxy/ppb_url_loader_proxy.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 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"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_url_loader.h"
 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/proxy_completion_callback_factory.h"
 #include "ppapi/shared_impl/host_resource.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
 namespace ppapi {
 
 struct URLRequestInfoData;
+struct URLResponseInfoData;
 
 namespace proxy {
 
 struct PPBURLLoader_UpdateProgress_Params;
 
 class PPB_URLLoader_Proxy : public InterfaceProxy {
  public:
   PPB_URLLoader_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_URLLoader_Proxy();
 
@@ skipping 20 matching lines @@
   static const ApiID kApiID = API_ID_PPB_URL_LOADER;
 
  private:
   // Plugin->renderer message handlers.
   void OnMsgCreate(PP_Instance instance,
                    HostResource* result);
   void OnMsgOpen(const HostResource& loader,
                  const URLRequestInfoData& data);
   void OnMsgFollowRedirect(const HostResource& loader);
   void OnMsgGetResponseInfo(const HostResource& loader,
-                            HostResource* result);
+                            bool* success,
+                            URLResponseInfoData* result);
   void OnMsgReadResponseBody(const HostResource& loader,
                              int32_t bytes_to_read);
   void OnMsgFinishStreamingToFile(const HostResource& loader);
   void OnMsgClose(const HostResource& loader);
   void OnMsgGrantUniversalAccess(const HostResource& loader);
 
   // Renderer->plugin message handlers.
   void OnMsgUpdateProgress(
       const PPBURLLoader_UpdateProgress_Params& params);
   void OnMsgReadResponseBodyAck(const IPC::Message& message);
   void OnMsgCallbackComplete(const HostResource& host_resource, int32_t result);
 
   // Handles callbacks for read complete messages. Takes ownership of the
   // message pointer.
   void OnReadCallback(int32_t result, IPC::Message* message);
 
   // Handles callback for everything but reads.
   void OnCallback(int32_t result, const HostResource& resource);
 
   ProxyCompletionCallbackFactory<PPB_URLLoader_Proxy> callback_factory_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PPB_URL_LOADER_PROXY_H_