Implement nextHopProtocol in PerformanceResourceTiming and PerformanceNavigationTiming.

third_party/WebKit/Source/platform/network/ResourceTimingInfo.h

 /*
  * Copyright (C) 2013 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 49 matching lines @@
 
   // Gets a copy of the data suitable for passing to another thread.
   std::unique_ptr<CrossThreadResourceTimingInfoData> copyData() const;
 
   double initialTime() const { return m_initialTime; }
   bool isMainResource() const { return m_isMainResource; }
 
   void setInitiatorType(const AtomicString& type) { m_type = type; }
   const AtomicString& initiatorType() const { return m_type; }
 
+  /*void setNextHopProtocol(const AtomicString& nextHopProtocol) {

[panicker, 2016/10/19 00:25:11]

why is this commented out?
Remove if not needed

[sunjian, 2016/10/21 00:19:50]

Done.

+    m_nextHopProtocol = nextHopProtocol;
+  }*/
+  const AtomicString& nextHopProtocol() const { return m_nextHopProtocol; }
+
   void setOriginalTimingAllowOrigin(
       const AtomicString& originalTimingAllowOrigin) {
     m_originalTimingAllowOrigin = originalTimingAllowOrigin;
   }
   const AtomicString& originalTimingAllowOrigin() const {
     return m_originalTimingAllowOrigin;
   }
 
   void setLoadFinishTime(double time) { m_loadFinishTime = time; }
   double loadFinishTime() const { return m_loadFinishTime; }
 
   void setInitialURL(const KURL& url) { m_initialURL = url; }
   const KURL& initialURL() const { return m_initialURL; }
 
   void setFinalResponse(const ResourceResponse& response) {
     m_finalResponse = response;
+    m_nextHopProtocol = response.alpnNegotiatedProtocol();
   }
   const ResourceResponse& finalResponse() const { return m_finalResponse; }
 
   void addRedirect(const ResourceResponse& redirectResponse, bool crossOrigin);
   const Vector<ResourceResponse>& redirectChain() const {
     return m_redirectChain;
   }
 
   void addFinalTransferSize(long long encodedDataLength) {
     m_transferSize += encodedDataLength;
   }
   long long transferSize() const { return m_transferSize; }
 
   void clearLoadTimings() {
     m_finalResponse.setResourceLoadTiming(nullptr);
     for (ResourceResponse& redirect : m_redirectChain)
       redirect.setResourceLoadTiming(nullptr);
   }
 
  private:
   ResourceTimingInfo(const AtomicString& type,
                      const double time,
                      bool isMainResource)
       : m_type(type),
+        m_nextHopProtocol(""),
         m_initialTime(time),
         m_transferSize(0),
         m_isMainResource(isMainResource),
         m_hasCrossOriginRedirect(false) {}
 
   AtomicString m_type;
+  AtomicString m_nextHopProtocol;
   AtomicString m_originalTimingAllowOrigin;
   double m_initialTime;
   double m_loadFinishTime;
   KURL m_initialURL;
   ResourceResponse m_finalResponse;
   Vector<ResourceResponse> m_redirectChain;
   long long m_transferSize;
   bool m_isMainResource;
   bool m_hasCrossOriginRedirect;
 };
 
 struct CrossThreadResourceTimingInfoData {
   WTF_MAKE_NONCOPYABLE(CrossThreadResourceTimingInfoData);
   USING_FAST_MALLOC(CrossThreadResourceTimingInfoData);
 
  public:
   CrossThreadResourceTimingInfoData() {}
 
   String m_type;
+  String m_nextHopProtocol;
   String m_originalTimingAllowOrigin;
   double m_initialTime;
   double m_loadFinishTime;
   KURL m_initialURL;
   std::unique_ptr<CrossThreadResourceResponseData> m_finalResponse;
   Vector<std::unique_ptr<CrossThreadResourceResponseData>> m_redirectChain;
   long long m_transferSize;
   bool m_isMainResource;
 };
 
 template <>
 struct CrossThreadCopier<ResourceTimingInfo> {
   typedef WTF::PassedWrapper<std::unique_ptr<CrossThreadResourceTimingInfoData>>
       Type;
   static Type copy(const ResourceTimingInfo& info) {
     return passed(info.copyData());
   }
 };
 
 }  // namespace blink
 
 #endif