Moving platform tracing things into platform/tracing.

third_party/WebKit/Source/core/frame/DOMTimer.cpp

 /*
  * Copyright (C) 2008 Apple 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #include "core/frame/DOMTimer.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorTraceEvents.h"
-#include "platform/TraceEvent.h"
+#include "platform/tracing/TraceEvent.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 static const int maxIntervalForUserGestureForwarding =
     1000;  // One second matches Gecko.
 static const int maxTimerNestingLevel = 5;
 static const double oneMillisecond = 0.001;
 // Chromium uses a minimum timer interval of 4ms. We'd like to go
 // lower; however, there are poorly coded websites out there which do
@@ skipping 130 matching lines @@
 WebTaskRunner* DOMTimer::timerTaskRunner() const {
   return getExecutionContext()->timers()->timerTaskRunner();
 }
 
 DEFINE_TRACE(DOMTimer) {
   visitor->trace(m_action);
   SuspendableTimer::trace(visitor);
 }
 
 }  // namespace blink