Fix PerformanceResourceTiming transferSize field for sync XHR

content/test/mock_weburlloader.h

 // Copyright 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_TEST_MOCK_WEBURLLOADER_H_
 #define CONTENT_TEST_MOCK_WEBURLLOADER_H_
 
 #include "base/macros.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "third_party/WebKit/public/platform/WebURLLoader.h"
 
 namespace content {
 
 class MockWebURLLoader : public blink::WebURLLoader {
  public:
   MockWebURLLoader();
   virtual ~MockWebURLLoader();
 
-  MOCK_METHOD4(loadSynchronously, void(const blink::WebURLRequest& request,
-                                       blink::WebURLResponse& response,
-                                       blink::WebURLError& error,
-                                       blink::WebData& data));
+  MOCK_METHOD5(loadSynchronously,
+               void(const blink::WebURLRequest& request,
+                    blink::WebURLResponse& response,
+                    blink::WebURLError& error,
+                    blink::WebData& data,
+                    int64_t& encodedDataLength));
   MOCK_METHOD2(loadAsynchronously, void(const blink::WebURLRequest& request,
                                         blink::WebURLLoaderClient* client));
   MOCK_METHOD0(cancel, void());
   MOCK_METHOD1(setDefersLoading, void(bool value));
   MOCK_METHOD1(setLoadingTaskRunner,
                void(blink::WebTaskRunner* loading_task_runner));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWebURLLoader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_MOCK_WEBURLLOADER_H_