transferSize implementation

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

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
     rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 141 matching lines @@
 
   static void determineRequestContext(ResourceRequest&,
                                       Resource::Type,
                                       bool isMainFrame);
   void determineRequestContext(ResourceRequest&, Resource::Type);
 
   void updateAllImageResourcePriorities();
 
   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(); }
 
  private:
   friend class ResourceCacheValidationSuppressor;
 
   explicit ResourceFetcher(FetchContext*);
 
   void initializeRevalidation(ResourceRequest&, Resource*);
   Resource* createResourceForLoading(FetchRequest&,
                                      const String& charset,
                                      const ResourceFactory&);
-  void storeResourceTimingInitiatorInformation(Resource*);
+  void storePerformanceTimingInitiatorInformation(Resource*);
   ResourceLoadPriority computeLoadPriority(Resource::Type,
                                            const FetchRequest&,
                                            ResourcePriority::VisibilityStatus);
 
   Resource* resourceForStaticData(const FetchRequest&,
                                   const ResourceFactory&,
                                   const SubstituteData&);
   Resource* resourceForBlockedRequest(const FetchRequest&,
                                       const ResourceFactory&);
 
@@ skipping 37 matching lines @@
 
   Member<HeapListHashSet<Member<Resource>>> m_preloads;
   Member<MHTMLArchive> m_archive;
 
   Timer<ResourceFetcher> m_resourceTimingReportTimer;
 
   using ResourceTimingInfoMap =
       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;
   HeapHashSet<Member<ResourceLoader>> m_nonBlockingLoaders;
 
   // Used in hit rate histograms.
   class DeadResourceStatsRecorder {
     DISALLOW_NEW();
 
    public:
@@ skipping 36 matching lines @@
   }
 
  private:
   Member<ResourceFetcher> m_loader;
   bool m_previousState;
 };
 
 }  // namespace blink
 
 #endif  // ResourceFetcher_h