transferSize implementation

third_party/WebKit/Source/core/fetch/ResourceFetcher.h

Index: third_party/WebKit/Source/core/fetch/ResourceFetcher.h
diff --git a/third_party/WebKit/Source/core/fetch/ResourceFetcher.h b/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
index 10991d53bc1c1f9a5faf09c75fcd50f4e2971b0d..4727b7210d7a26a38744ad57638d6b1dd92636d3 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
@@ -164,6 +164,9 @@ class CORE_EXPORT ResourceFetcher
 
   void reloadLoFiImages();
 
+  // Calling  this method before main resource is fetched is invalid.
+  ResourceTimingInfo* getMainResourceTimingInfo();
+
   // This is only exposed for testing purposes.
   HeapListHashSet<Member<Resource>>* preloads() { return m_preloads.get(); }
 
@@ -176,7 +179,7 @@ class CORE_EXPORT ResourceFetcher
   Resource* createResourceForLoading(FetchRequest&,
                                      const String& charset,
                                      const ResourceFactory&);
-  void storeResourceTimingInitiatorInformation(Resource*);
+  void storePerformanceTimingInitiatorInformation(Resource*);
   ResourceLoadPriority computeLoadPriority(Resource::Type,
                                            const FetchRequest&,
                                            ResourcePriority::VisibilityStatus);
@@ -234,6 +237,9 @@ class CORE_EXPORT ResourceFetcher
       HeapHashMap<Member<Resource>, std::unique_ptr<ResourceTimingInfo>>;
   ResourceTimingInfoMap m_resourceTimingInfoMap;
 
+  unsigned long m_mainResourceIdentifier;
+  std::unique_ptr<ResourceTimingInfo> m_mainResourceTimingInfo;
+
   Vector<std::unique_ptr<ResourceTimingInfo>> m_scheduledResourceTimingReports;
 
   HeapHashSet<Member<ResourceLoader>> m_loaders;