Reland: URLRequestJob: change ReadRawData contract

content/browser/streams/stream_url_request_job.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_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
 #define CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_
 
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_request_job.h"
 #include "content/browser/streams/stream_read_observer.h"
@@ skipping 11 matching lines @@
   StreamURLRequestJob(net::URLRequest* request,
                       net::NetworkDelegate* network_delegate,
                       scoped_refptr<Stream> stream);
 
   // StreamObserver methods.
   void OnDataAvailable(Stream* stream) override;
 
   // net::URLRequestJob methods.
   void Start() override;
   void Kill() override;
-  bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override;
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override;
   bool GetMimeType(std::string* mime_type) const override;
   void GetResponseInfo(net::HttpResponseInfo* info) override;
   int GetResponseCode() const override;
   void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override;
 
  protected:
   ~StreamURLRequestJob() override;
 
  private:
   void DidStart();
@@ skipping 12 matching lines @@
   bool request_failed_;
 
   base::WeakPtrFactory<StreamURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StreamURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_STREAMS_STREAM_URL_REQUEST_JOB_H_