google_apis: Implement google_apis::ResponseWriter

chrome/browser/google_apis/gdata_contacts_requests.cc

 // 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.
 
 #include "chrome/browser/google_apis/gdata_contacts_requests.h"
 
 #include "chrome/browser/google_apis/time_util.h"
 #include "net/base/url_util.h"
 #include "url/gurl.h"
 
@@ skipping 83 matching lines @@
 
 GetContactPhotoRequest::~GetContactPhotoRequest() {}
 
 GURL GetContactPhotoRequest::GetURL() const {
   return photo_url_;
 }
 
 void GetContactPhotoRequest::ProcessURLFetchResults(
     const net::URLFetcher* source) {
   GDataErrorCode code = GetErrorCode(source);
-  scoped_ptr<std::string> data(new std::string);
-  source->GetResponseAsString(data.get());
+  scoped_ptr<std::string> data(new std::string(response_writer()->data()));
   callback_.Run(code, data.Pass());
   OnProcessURLFetchResultsComplete();
 }
 
 void GetContactPhotoRequest::RunCallbackOnPrematureFailure(
     GDataErrorCode code) {
   scoped_ptr<std::string> data(new std::string);
   callback_.Run(code, data.Pass());
 }
 
 }  // namespace google_apis