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

third_party/WebKit/Source/core/layout/LayoutThemeMac.h

 /*
  * This file is part of the theme implementation for form controls in WebCore.
  *
  * Copyright (C) 2005 Apple Computer, Inc.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 10 matching lines @@
  *
  */
 
 #ifndef LayoutThemeMac_h
 #define LayoutThemeMac_h
 
 #import <AppKit/AppKit.h>
 
 #import "core/layout/LayoutTheme.h"
 #import "core/paint/ThemePainterMac.h"
-#import "wtf/HashMap.h"
-#import "wtf/RetainPtr.h"
+#import "platform/wtf/HashMap.h"
+#import "platform/wtf/RetainPtr.h"
 
 OBJC_CLASS BlinkLayoutThemeNotificationObserver;
 
 namespace blink {
 
 class LayoutThemeMac final : public LayoutTheme {
  public:
   static PassRefPtr<LayoutTheme> Create();
 
   void AddVisualOverflow(const LayoutObject&, IntRect& border_box) override;
@@ skipping 157 matching lines @@
   mutable HashMap<int, RGBA32> system_color_cache_;
 
   RetainPtr<BlinkLayoutThemeNotificationObserver> notification_observer_;
 
   ThemePainterMac painter_;
 };
 
 }  // namespace blink
 
 #endif  // LayoutThemeMac_h