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

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

 // Copyright 2015 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 SVGMaskPainter_h
 #define SVGMaskPainter_h
 
 #include "platform/geometry/FloatRect.h"
-#include "wtf/Allocator.h"
+#include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 class GraphicsContext;
 class LayoutObject;
 class LayoutSVGResourceMasker;
 
 class SVGMaskPainter {
   STACK_ALLOCATED();
 
  public:
   SVGMaskPainter(LayoutSVGResourceMasker& mask) : mask_(mask) {}
 
   bool PrepareEffect(const LayoutObject&, GraphicsContext&);
   void FinishEffect(const LayoutObject&, GraphicsContext&);
 
  private:
   void DrawMaskForLayoutObject(GraphicsContext&,
                                const LayoutObject&,
                                const FloatRect& target_bounding_box,
                                const FloatRect& target_visual_rect);
 
   LayoutSVGResourceMasker& mask_;
 };
 
 }  // namespace blink
 
 #endif  // SVGMaskPainter_h