Enable ServerTiming support

third_party/WebKit/Source/core/loader/DocumentLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 43 matching lines @@
 #include "core/loader/SubresourceFilter.h"
 #include "core/loader/appcache/ApplicationCacheHost.h"
 #include "core/loader/resource/CSSStyleSheetResource.h"
 #include "core/loader/resource/FontResource.h"
 #include "core/loader/resource/ImageResource.h"
 #include "core/loader/resource/ScriptResource.h"
 #include "core/origin_trials/OriginTrialContext.h"
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/probe/CoreProbes.h"
+#include "core/timing/DOMWindowPerformance.h"
+#include "core/timing/Performance.h"
 #include "platform/HTTPNames.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/feature_policy/FeaturePolicy.h"
 #include "platform/loader/fetch/FetchInitiatorTypeNames.h"
 #include "platform/loader/fetch/FetchRequest.h"
 #include "platform/loader/fetch/FetchUtils.h"
 #include "platform/loader/fetch/MemoryCache.h"
 #include "platform/loader/fetch/ResourceFetcher.h"
 #include "platform/loader/fetch/ResourceTimingInfo.h"
 #include "platform/mhtml/ArchiveResource.h"
@@ skipping 875 matching lines @@
 
   OriginTrialContext::addTokensFromHeader(
       document, m_response.httpHeaderField(HTTPNames::Origin_Trial));
   String referrerPolicyHeader =
       m_response.httpHeaderField(HTTPNames::Referrer_Policy);
   if (!referrerPolicyHeader.isNull()) {
     UseCounter::count(*document, UseCounter::ReferrerPolicyHeader);
     document->parseAndSetReferrerPolicy(referrerPolicyHeader);
   }
 
+  if (RuntimeEnabledFeatures::serverTimingEnabled() &&
+      m_frame->document()->domWindow()) {
+    DOMWindowPerformance::performance(*(m_frame->document()->domWindow()))
+        ->addServerTiming(m_response,
+                          PerformanceBase::ShouldAddToBuffer::Always);
+  }
+
   localFrameClient().didCreateNewDocument();
 }
 
 void DocumentLoader::didCommitNavigation() {
   if (frameLoader().stateMachine()->creatingInitialEmptyDocument())
     return;
 
   if (!m_frame->loader().stateMachine()->committedMultipleRealLoads() &&
       m_loadType == FrameLoadTypeStandard) {
     m_frame->loader().stateMachine()->advanceTo(
@@ skipping 133 matching lines @@
                      InstallNewDocumentReason::kJavascriptURL,
                      ForceSynchronousParsing, KURL());
   if (!source.isNull())
     m_writer->appendReplacingData(source);
   endWriting();
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink