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

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

 // Copyright 2014 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 BoxPainter_h
 #define BoxPainter_h
 
 #include "core/layout/BackgroundBleedAvoidance.h"
 #include "core/style/ShadowData.h"
 #include "platform/geometry/LayoutSize.h"
 #include "platform/graphics/GraphicsTypes.h"
+#include "platform/wtf/Allocator.h"
 #include "third_party/skia/include/core/SkBlendMode.h"
-#include "wtf/Allocator.h"
 
 namespace blink {
 
 class ComputedStyle;
 class Document;
 class FillLayer;
 class FloatRoundedRect;
 class GraphicsContext;
 class Image;
 class InlineFlowBox;
@@ skipping 104 matching lines @@
                        const LayoutRect&,
                        const Color& background_color,
                        BackgroundBleedAvoidance = kBackgroundBleedNone);
 
   const LayoutBox& layout_box_;
 };
 
 }  // namespace blink
 
 #endif