Use chromium trace_event implementation in blink

third_party/WebKit/Source/core/CoreInitializer.cpp

Index: third_party/WebKit/Source/core/CoreInitializer.cpp
diff --git a/third_party/WebKit/Source/core/CoreInitializer.cpp b/third_party/WebKit/Source/core/CoreInitializer.cpp
index da3cbccf7a6c739474325ce60c5b79e266c1755b..cbc1bd73b30c848ee4a04b3499508d14a6e0bd42 100644
--- a/third_party/WebKit/Source/core/CoreInitializer.cpp
+++ b/third_party/WebKit/Source/core/CoreInitializer.cpp
@@ -53,7 +53,6 @@
 #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"
@@ -132,7 +131,6 @@ void CoreInitializer::initialize()
 
     StyleChangeExtraData::init();
 
-    EventTracer::initialize();
     KURL::initialize();
     SchemeRegistry::initialize();
     SecurityPolicy::init();