Enable ServerTiming support

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

 /*
  * Copyright (C) 2013 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:
  *
  *     * 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 46 matching lines @@
 #include "core/loader/ProgressTracker.h"
 #include "core/loader/SubresourceFilter.h"
 #include "core/loader/appcache/ApplicationCacheHost.h"
 #include "core/loader/private/FrameClientHintsPreferencesContext.h"
 #include "core/page/Page.h"
 #include "core/paint/FirstMeaningfulPaintDetector.h"
 #include "core/probe/CoreProbes.h"
 #include "core/svg/graphics/SVGImageChromeClient.h"
 #include "core/timing/DOMWindowPerformance.h"
 #include "core/timing/Performance.h"
+#include "core/timing/PerformanceBase.h"
 #include "platform/WebFrameScheduler.h"
 #include "platform/exported/WrappedResourceRequest.h"
 #include "platform/instrumentation/tracing/TracedValue.h"
 #include "platform/loader/fetch/ClientHintsPreferences.h"
 #include "platform/loader/fetch/FetchInitiatorTypeNames.h"
 #include "platform/loader/fetch/Resource.h"
 #include "platform/loader/fetch/ResourceLoadPriority.h"
 #include "platform/loader/fetch/ResourceLoadingLog.h"
 #include "platform/loader/fetch/ResourceTimingInfo.h"
 #include "platform/loader/fetch/UniqueIdentifier.h"
@@ skipping 437 matching lines @@
   }
 
   GetFrame()->Loader().Progress().IncrementProgress(identifier, response);
   GetLocalFrameClient()->DispatchDidReceiveResponse(response);
   DocumentLoader* document_loader = MasterDocumentLoader();
   probe::didReceiveResourceResponse(GetFrame(), identifier, document_loader,
                                     response, resource);
   // It is essential that inspector gets resource response BEFORE console.
   GetFrame()->Console().ReportResourceResponseReceived(document_loader,
                                                        identifier, response);
+
+  // MainResource responses were already added, skip them here.
+  if (RuntimeEnabledFeatures::serverTimingEnabled() &&
+      resource->GetType() != Resource::kMainResource &&
+      GetFrame()->GetDocument() && GetFrame()->GetDocument()->domWindow()) {
+    LocalDOMWindow* localDOMWindow = GetFrame()->GetDocument()->domWindow();
+    DOMWindowPerformance::performance(*localDOMWindow)
+        ->AddServerTiming(response,
+                          localDOMWindow->HasLoadEventFired()
+                              ? PerformanceBase::ShouldAddToBuffer::Never
+                              : PerformanceBase::ShouldAddToBuffer::Always);
+  }
 }
 
 void FrameFetchContext::DispatchDidReceiveData(unsigned long identifier,
                                                const char* data,
                                                int data_length) {
   GetFrame()->Loader().Progress().IncrementProgress(identifier, data_length);
   probe::didReceiveData(GetFrame(), identifier, data, data_length);
 }
 
 void FrameFetchContext::DispatchDidReceiveEncodedData(unsigned long identifier,
@@ skipping 541 matching lines @@
   return GetFrame()->FrameScheduler()->LoadingTaskRunner();
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->Trace(document_);
   visitor->Trace(document_loader_);
   FetchContext::Trace(visitor);
 }
 
 }  // namespace blink