URLRequestJob: change ReadRawData contract

content/browser/appcache/appcache_url_request_job.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 CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 118 matching lines @@
   void SetupRangeResponse();
 
   // AppCacheResponseReader completion callback
   void OnReadComplete(int result);
 
   // net::URLRequestJob methods, see url_request_job.h for doc comments
   void Start() override;
   net::LoadState GetLoadState() const override;
   bool GetCharset(std::string* charset) override;
   void GetResponseInfo(net::HttpResponseInfo* info) override;
-  bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override;
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override;
 
   // Sets extra request headers for Job types that support request headers.
   // This is how we get informed of range-requests.
   void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override;
 
   // FilterContext methods
   bool GetMimeType(std::string* mime_type) const override;
   int GetResponseCode() const override;
 
   AppCacheHost* host_;
@@ skipping 16 matching lines @@
   scoped_ptr<net::HttpResponseInfo> range_response_info_;
   scoped_ptr<AppCacheResponseReader> reader_;
   scoped_refptr<AppCache> cache_;
   scoped_refptr<AppCacheGroup> group_;
   base::WeakPtrFactory<AppCacheURLRequestJob> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_