Fix PerformanceResourceTiming transferSize field for sync XHR

third_party/WebKit/public/platform/WebURLLoader.h

Index: third_party/WebKit/public/platform/WebURLLoader.h
diff --git a/third_party/WebKit/public/platform/WebURLLoader.h b/third_party/WebKit/public/platform/WebURLLoader.h
index 4058624586a404e70a2cf53a39ca54cea0171bcb..c6c7095dc462c2978efe722780bd802a7e66d0d5 100644
--- a/third_party/WebKit/public/platform/WebURLLoader.h
+++ b/third_party/WebKit/public/platform/WebURLLoader.h
@@ -33,6 +33,7 @@
 
 #include "WebCommon.h"
 #include "WebURLRequest.h"
+#include <stdint.h>
 
 namespace blink {
 
@@ -51,7 +52,8 @@ public:
     // caller upon completion.  There is no mechanism to interrupt a
     // synchronous load!!
     virtual void loadSynchronously(const WebURLRequest&,
-        WebURLResponse&, WebURLError&, WebData& data) = 0;
+        WebURLResponse&, WebURLError&, WebData&,
+        int64_t& encodedDataLength) = 0;
 
     // Load the request asynchronously, sending notifications to the given
     // client.  The client will receive no further notifications if the