Moving platform tracing things into platform/tracing.

third_party/WebKit/Source/core/paint/PaintTiming.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/PaintTiming.h"
 
 #include "core/dom/Document.h"
 #include "core/loader/DocumentLoader.h"
-#include "platform/TraceEvent.h"
+#include "platform/tracing/TraceEvent.h"
 
 namespace blink {
 
 static const char kSupplementName[] = "PaintTiming";
 
 PaintTiming& PaintTiming::from(Document& document)
 {
     PaintTiming* timing = static_cast<PaintTiming*>(Supplement<Document>::from(document, kSupplementName));
     if (!timing) {
         timing = new PaintTiming(document);
@@ skipping 99 matching lines @@
 void PaintTiming::setFirstContentfulPaint(double stamp)
 {
     if (m_firstContentfulPaint != 0.0)
         return;
     setFirstPaint(stamp);
     m_firstContentfulPaint = stamp;
     TRACE_EVENT_INSTANT1("blink.user_timing,rail", "firstContentfulPaint", TRACE_EVENT_SCOPE_PROCESS, "frame", frame());
 }
 
 } // namespace blink