Make WebURLLoader capable of retaining received buffers.

content/child/npapi/plugin_url_fetcher.h

 // Copyright (c) 2013 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_CHILD_NPAPI_PLUGIN_URL_FETCHER_H_
 #define CONTENT_CHILD_NPAPI_PLUGIN_URL_FETCHER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 39 matching lines @@
   bool copy_stream_data() { return copy_stream_data_; }
   bool pending_failure_notification() { return pending_failure_notification_; }
 
  private:
   // RequestPeer implementation:
   void OnUploadProgress(uint64 position, uint64 size) override;
   bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
                           const ResourceResponseInfo& info) override;
   void OnReceivedResponse(const ResourceResponseInfo& info) override;
   void OnDownloadedData(int len, int encoded_data_length) override;
-  void OnReceivedData(const char* data,
-                      int data_length,
-                      int encoded_data_length) override;
+  void OnReceivedData(scoped_ptr<ReceivedData> data) override;
   void OnCompletedRequest(int error_code,
                           bool was_ignored_by_handler,
                           bool stale_copy_in_cache,
                           const std::string& security_info,
                           const base::TimeTicks& completion_time,
                           int64 total_transfer_size) override;
 
   // |plugin_stream_| becomes NULL after Cancel() to ensure no further calls
   // |reach it.
   PluginStreamUrl* plugin_stream_;
@@ skipping 12 matching lines @@
   int request_id_;
 
   scoped_ptr<MultipartResponseDelegate> multipart_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginURLFetcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_PLUGIN_URL_FETCHER_H_