transferSize implementation

third_party/WebKit/Source/core/timing/PerformanceBase.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 297 matching lines @@
   if (!isResourceTimingBufferFull())
     addResourceTimingBuffer(*entry);
 }
 
 void PerformanceBase::addNavigationTiming(LocalFrame* frame) {
   if (!RuntimeEnabledFeatures::performanceNavigationTiming2Enabled())
     return;
   DCHECK(frame);
   const DocumentLoader* documentLoader = frame->loader().documentLoader();
   DCHECK(documentLoader);
+
   const DocumentLoadTiming& documentLoadTiming = documentLoader->timing();
 
   const DocumentTiming* documentTiming =
       frame->document() ? &(frame->document()->timing()) : nullptr;
 
   const ResourceResponse& finalResponse = documentLoader->response();
+  ResourceTimingInfo* resourceTimingInfo =
+      documentLoader->getMainResourceTimingInfo();
 
   ResourceLoadTiming* resourceLoadTiming = finalResponse.resourceLoadTiming();
   // Don't create a navigation timing instance when
   // resourceLoadTiming is null, which could happen when visiting non-http sites
   // such as about:blank or in some error cases.
   if (!resourceLoadTiming)
     return;
   double lastRedirectEndTime = documentLoadTiming.redirectEnd();
   double finishTime = documentLoadTiming.loadEventEnd();
 
-  // TODO(sunjian) Implement transfer size. crbug/663187
-  unsigned long long transferSize = 0;
+  unsigned long long transferSize =
+      resourceTimingInfo ? resourceTimingInfo->transferSize() : 0;
   unsigned long long encodedBodyLength = finalResponse.encodedBodyLength();
   unsigned long long decodedBodyLength = finalResponse.decodedBodyLength();
   bool didReuseConnection = finalResponse.connectionReused();
 
   m_navigationTiming = new PerformanceNavigationTiming(
       timeOrigin(), documentLoadTiming.unloadEventStart(),
       documentLoadTiming.unloadEventEnd(), documentLoadTiming.loadEventStart(),
       documentLoadTiming.loadEventEnd(), documentLoadTiming.redirectCount(),
       documentTiming ? documentTiming->domInteractive() : 0,
       documentTiming ? documentTiming->domContentLoadedEventStart() : 0,
@@ skipping 183 matching lines @@
   visitor->trace(m_resourceTimingBuffer);
   visitor->trace(m_navigationTiming);
   visitor->trace(m_userTiming);
   visitor->trace(m_observers);
   visitor->trace(m_activeObservers);
   visitor->trace(m_suspendedObservers);
   EventTargetWithInlineData::trace(visitor);
 }
 
 }  // namespace blink