Reland: URLRequestJob: change ReadRawData contract

content/browser/service_worker/service_worker_url_request_job.h

 // Copyright 2014 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_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_
 
 #include <map>
 #include <string>
 
@@ skipping 69 matching lines @@
   // net::URLRequestJob overrides:
   void Start() override;
   void Kill() override;
   net::LoadState GetLoadState() const override;
   bool GetCharset(std::string* charset) override;
   bool GetMimeType(std::string* mime_type) const override;
   void GetResponseInfo(net::HttpResponseInfo* info) override;
   void GetLoadTimingInfo(net::LoadTimingInfo* load_timing_info) const override;
   int GetResponseCode() const override;
   void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override;
-  bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override;
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override;
 
   // net::URLRequest::Delegate overrides that read the blob from the
   // ServiceWorkerFetchResponse.
   void OnReceivedRedirect(net::URLRequest* request,
                           const net::RedirectInfo& redirect_info,
                           bool* defer_redirect) override;
   void OnAuthRequired(net::URLRequest* request,
                       net::AuthChallengeInfo* auth_info) override;
   void OnCertificateRequested(
       net::URLRequest* request,
@@ skipping 126 matching lines @@
   bool did_record_result_ = false;
 
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_