Implement nextHopProtocol in PerformanceResourceTiming and PerformanceNavigationTiming.

third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h b/third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h
index f2cc0373c48282dea11f55163c555ef2cb7943a7..9a5cf20750d12ab0245b94eff75b574792603cf1 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.h
@@ -330,6 +330,12 @@ class PLATFORM_EXPORT ResourceResponse final {
     m_remoteIPAddress = value;
   }
 
+  const AtomicString& alpnNegotiatedProtocol() const;
+  void setALPNNegotiatedProtocol(const AtomicString& value);
+
+  const AtomicString& connectionInfo() const;
+  void setConnectionInfo(const AtomicString& value);
+
   unsigned short remotePort() const { return m_remotePort; }
   void setRemotePort(unsigned short value) { m_remotePort = value; }
 
@@ -466,6 +472,12 @@ class PLATFORM_EXPORT ResourceResponse final {
   // Remote IP address of the socket which fetched this resource.
   AtomicString m_remoteIPAddress;
 
+  // ALPN negotiated protocol of the socket which fetched this resource.
+  AtomicString m_alpnNegotiatedProtocol;
+
+  // Information about the type of connection used to fetch this resource.
+  AtomicString m_connectionInfo;
+
   // Remote port number of the socket which fetched this resource.
   unsigned short m_remotePort;
 
@@ -536,6 +548,8 @@ struct CrossThreadResourceResponseData {
   bool m_didServiceWorkerNavigationPreload;
   int64_t m_responseTime;
   String m_remoteIPAddress;
+  String m_alpnNegotiatedProtocol;
+  String m_connectionInfo;
   unsigned short m_remotePort;
   long long m_encodedDataLength;
   long long m_encodedBodyLength;