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

third_party/WebKit/Source/platform/scroll/ScrollbarTheme.cpp

 /*
  * Copyright (C) 2011 Apple 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 19 matching lines @@
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/graphics/paint/CompositingRecorder.h"
 #include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/scroll/Scrollbar.h"
 #include "platform/scroll/ScrollbarThemeMock.h"
 #include "platform/scroll/ScrollbarThemeOverlayMock.h"
+#include "platform/wtf/Optional.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMouseEvent.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebScrollbarBehavior.h"
-#include "wtf/Optional.h"
 
 #if !OS(MACOSX)
 #include "public/platform/WebThemeEngine.h"
 #endif
 
 namespace blink {
 
 bool ScrollbarTheme::gMockScrollbarsEnabled = false;
 
 static inline bool shouldPaintScrollbarPart(const IntRect& partRect,
@@ skipping 378 matching lines @@
       return DisplayItem::kScrollbarBackTrack;
     case ForwardTrackPart:
       return DisplayItem::kScrollbarForwardTrack;
     default:
       ASSERT_NOT_REACHED();
       return DisplayItem::kScrollbarBackTrack;
   }
 }
 
 }  // namespace blink