Rewrite references to "wtf/" to "platform/wtf/" in platform/scroll.

third_party/WebKit/Source/platform/scroll/Scrollbar.h

 /*
  * Copyright (C) 2004, 2006 Apple Computer, 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 14 matching lines @@
 
 #ifndef Scrollbar_h
 #define Scrollbar_h
 
 #include "platform/FrameViewBase.h"
 #include "platform/Timer.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "platform/scroll/ScrollbarThemeClient.h"
-#include "wtf/MathExtras.h"
+#include "platform/wtf/MathExtras.h"
 
 namespace blink {
 
 class GraphicsContext;
 class HostWindow;
 class IntRect;
 class ScrollableArea;
 class ScrollbarTheme;
 class WebGestureEvent;
 class WebMouseEvent;
@@ skipping 216 matching lines @@
 
 DEFINE_TYPE_CASTS(Scrollbar,
                   FrameViewBase,
                   frameViewBase,
                   frameViewBase->isScrollbar(),
                   frameViewBase.isScrollbar());
 
 }  // namespace blink
 
 #endif  // Scrollbar_h