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 4f6734398b67a731d7934b7946e16f97feda4131..37aa8ff52ec678565b98528cfdb14aedbbe6459a 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
@@ -159,6 +159,9 @@ class CORE_EXPORT ResourceFetcher
 
   void reloadLoFiImages();
 
+  // Calling  this method before main resource is fetched is invalid.

[Yoav Weiss, 2016/12/03 19:55:35]

Nit: spurious space

[sunjian, 2016/12/07 19:09:50]

Done.

+  ResourceTimingInfo* getMainResourceTimingInfo();
+
   // This is only exposed for testing purposes.
   HeapListHashSet<Member<Resource>>* preloads() { return m_preloads.get(); }
 
@@ -171,7 +174,7 @@ 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);
@@ -229,6 +232,9 @@ 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;