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 6d2b7203d38ea64aad0f4975b1221ddff93d7473..ccdacd7fae731500f2e911d9c993cd30e747a112 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceFetcher.h
@@ -165,6 +165,8 @@ class CORE_EXPORT ResourceFetcher
 
   void reloadLoFiImages();
 
+  ResourceTimingInfo* getMainResourceTimingInfo(unsigned long identifier);
+
   // This is only exposed for testing purposes.
   HeapListHashSet<Member<Resource>>* preloads() { return m_preloads.get(); }
 
@@ -235,6 +237,11 @@ class CORE_EXPORT ResourceFetcher
       HeapHashMap<Member<Resource>, std::unique_ptr<ResourceTimingInfo>>;
   ResourceTimingInfoMap m_resourceTimingInfoMap;
 
+  // Find out whether a map is an overkill in here, crbugs/669300.
+  using MainResourceTimingInfoMap =
+      HashMap<unsigned long, std::unique_ptr<ResourceTimingInfo>>;
+  MainResourceTimingInfoMap m_mainResourceTimingInfoMap;
+
   Vector<std::unique_ptr<ResourceTimingInfo>> m_scheduledResourceTimingReports;
 
   HeapHashSet<Member<ResourceLoader>> m_loaders;