Rewrite references to "wtf/" to "platform/wtf/" in core/paint.

third_party/WebKit/Source/core/paint/FirstMeaningfulPaintDetector.h

 // Copyright 2016 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.
 
 #ifndef FirstMeaningfulPaintDetector_h
 #define FirstMeaningfulPaintDetector_h
 
 #include "core/CoreExport.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
-#include "wtf/Noncopyable.h"
+#include "platform/wtf/Noncopyable.h"
 
 namespace blink {
 
 class Document;
 class PaintTiming;
 
 // FirstMeaningfulPaintDetector observes layout operations during page load
 // until network stable (2 seconds of no network activity), and computes the
 // layout-based First Meaningful Paint.
 // See https://goo.gl/vpaxv6 and http://goo.gl/TEiMi4 for more details.
@@ skipping 55 matching lines @@
   bool network2_quiet_reached_ = false;
   double first_meaningful_paint0_quiet_ = 0.0;
   double first_meaningful_paint2_quiet_ = 0.0;
   TaskRunnerTimer<FirstMeaningfulPaintDetector> network0_quiet_timer_;
   TaskRunnerTimer<FirstMeaningfulPaintDetector> network2_quiet_timer_;
 };
 
 }  // namespace blink
 
 #endif