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

third_party/WebKit/Source/core/paint/PartPainter.cpp

 // 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.
 
 #include "core/paint/PartPainter.h"
 
 #include "core/layout/LayoutPart.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/ObjectPainter.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/ReplacedPainter.h"
 #include "core/paint/RoundedInnerRectClipper.h"
 #include "core/paint/ScrollableAreaPainter.h"
 #include "core/paint/TransformRecorder.h"
-#include "wtf/Optional.h"
+#include "platform/wtf/Optional.h"
 
 namespace blink {
 
 bool PartPainter::IsSelected() const {
   SelectionState s = layout_part_.GetSelectionState();
   if (s == SelectionNone)
     return false;
   if (s == SelectionInside)
     return true;
 
@@ skipping 106 matching lines @@
   TransformRecorder transform(
       paint_info.context, layout_part_,
       AffineTransform::Translation(frame_view_base_paint_offset.Width(),
                                    frame_view_base_paint_offset.Height()));
   CullRect adjusted_cull_rect(paint_info.GetCullRect(),
                               -frame_view_base_paint_offset);
   frame_view_base->Paint(paint_info.context, adjusted_cull_rect);
 }
 
 }  // namespace blink