Use chromium trace_event implementation in blink

third_party/WebKit/Source/core/CoreInitializer.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 35 matching lines @@
 #include "core/XMLNames.h"
 #include "core/css/MediaQueryEvaluator.h"
 #include "core/css/parser/CSSParserTokenRange.h"
 #include "core/dom/Document.h"
 #include "core/dom/StyleChangeReason.h"
 #include "core/events/EventFactory.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/html/canvas/CanvasRenderingContextFactory.h"
 #include "core/html/parser/HTMLParserThread.h"
 #include "core/workers/WorkerThread.h"
-#include "platform/EventTracer.h"
 #include "platform/FontFamilyNames.h"
 #include "platform/HTTPNames.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "wtf/allocator/Partitions.h"
 #include "wtf/text/AtomicStringTable.h"
 
 namespace blink {
@@ skipping 58 matching lines @@
     HTTPNames::init();
     InputTypeNames::init();
     MediaFeatureNames::init();
     MediaTypeNames::init();
 
     MediaQueryEvaluator::init();
     CSSParserTokenRange::initStaticEOFToken();
 
     StyleChangeExtraData::init();
 
-    EventTracer::initialize();
     KURL::initialize();
     SchemeRegistry::initialize();
     SecurityPolicy::init();
 
     registerEventFactory();
 
     StringImpl::freezeStaticStrings();
 
     // Creates HTMLParserThread::shared and ScriptStreamerThread::shared, but
     // does not start the threads.
@@ skipping 11 matching lines @@
     // Make sure we stop the HTMLParserThread before Platform::current() is
     // cleared.
     ASSERT(Platform::current());
     if (!RuntimeEnabledFeatures::parseHTMLOnMainThreadEnabled())
         HTMLParserThread::shutdown();
 
     WorkerThread::terminateAndWaitForAllWorkers();
 }
 
 } // namespace blink