[Not for review] record detailed time breakdown of SW related requests.

third_party/WebKit/Source/platform/network/ResourceResponse.cpp

Index: third_party/WebKit/Source/platform/network/ResourceResponse.cpp
diff --git a/third_party/WebKit/Source/platform/network/ResourceResponse.cpp b/third_party/WebKit/Source/platform/network/ResourceResponse.cpp
index 810420cda17fe08d8dcffb3d3b976abc19244549..3cab49b4392d3df9a2375e1a220df6f724b5506d 100644
--- a/third_party/WebKit/Source/platform/network/ResourceResponse.cpp
+++ b/third_party/WebKit/Source/platform/network/ResourceResponse.cpp
@@ -99,6 +99,7 @@ ResourceResponse::ResourceResponse()
       m_wasFallbackRequiredByServiceWorker(false),
       m_serviceWorkerResponseType(WebServiceWorkerResponseTypeDefault),
       m_responseTime(0),
+      m_responseStart(0),
       m_remotePort(0),
       m_encodedDataLength(0),
       m_encodedBodyLength(0),
@@ -141,6 +142,7 @@ ResourceResponse::ResourceResponse(const KURL& url,
       m_wasFallbackRequiredByServiceWorker(false),
       m_serviceWorkerResponseType(WebServiceWorkerResponseTypeDefault),
       m_responseTime(0),
+      m_responseStart(0),
       m_remotePort(0),
       m_encodedDataLength(0),
       m_encodedBodyLength(0),
@@ -191,6 +193,7 @@ ResourceResponse::ResourceResponse(CrossThreadResourceResponseData* data)
   m_urlListViaServiceWorker = data->m_urlListViaServiceWorker;
   m_cacheStorageCacheName = data->m_cacheStorageCacheName;
   m_responseTime = data->m_responseTime;
+  m_responseStart = data->m_responseStart;
   m_remoteIPAddress = AtomicString(data->m_remoteIPAddress);
   m_remotePort = data->m_remotePort;
   m_encodedDataLength = data->m_encodedDataLength;
@@ -260,6 +263,7 @@ std::unique_ptr<CrossThreadResourceResponseData> ResourceResponse::copyData()
                  [](const KURL& url) { return url.copy(); });
   data->m_cacheStorageCacheName = cacheStorageCacheName().isolatedCopy();
   data->m_responseTime = m_responseTime;
+  data->m_responseStart = m_responseStart;
   data->m_remoteIPAddress = m_remoteIPAddress.getString().isolatedCopy();
   data->m_remotePort = m_remotePort;
   data->m_encodedDataLength = m_encodedDataLength;