Updates to Server-Timing in accordance with with spec changes

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 933 matching lines @@
 
   OriginTrialContext::AddTokensFromHeader(
       document, response_.HttpHeaderField(HTTPNames::Origin_Trial));
   String referrer_policy_header =
       response_.HttpHeaderField(HTTPNames::Referrer_Policy);
   if (!referrer_policy_header.IsNull()) {
     UseCounter::Count(*document, WebFeature::kReferrerPolicyHeader);
     document->ParseAndSetReferrerPolicy(referrer_policy_header);
   }
 
-  if (RuntimeEnabledFeatures::ServerTimingEnabled() &&
-      frame_->GetDocument()->domWindow()) {
-    DOMWindowPerformance::performance(*(frame_->GetDocument()->domWindow()))
-        ->AddServerTiming(response_,
-                          PerformanceBase::ShouldAddToBuffer::Always);
-  }
-
   GetLocalFrameClient().DidCreateNewDocument();
 }
 
 void DocumentLoader::DidCommitNavigation() {
   if (GetFrameLoader().StateMachine()->CreatingInitialEmptyDocument())
     return;
 
   if (!frame_->Loader().StateMachine()->CommittedMultipleRealLoads() &&
       load_type_ == kFrameLoadTypeStandard) {
     frame_->Loader().StateMachine()->AdvanceTo(
@@ skipping 167 matching lines @@
                      InstallNewDocumentReason::kJavascriptURL,
                      kForceSynchronousParsing, NullURL());
   if (!source.IsNull())
     writer_->AppendReplacingData(source);
   EndWriting();
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink