Moving platform tracing things into platform/tracing.

third_party/WebKit/Source/core/dom/DocumentParserTiming.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/dom/DocumentParserTiming.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[] = "DocumentParserTiming";
 
 DocumentParserTiming& DocumentParserTiming::from(Document& document) {
   DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(
       Supplement<Document>::from(document, kSupplementName));
   if (!timing) {
     timing = new DocumentParserTiming(document);
@@ skipping 51 matching lines @@
 
 DocumentParserTiming::DocumentParserTiming(Document& document)
     : m_document(document) {}
 
 void DocumentParserTiming::notifyDocumentParserTimingChanged() {
   if (m_document->loader())
     m_document->loader()->didChangePerformanceTiming();
 }
 
 }  // namespace blink