Move RarePaintData to its own file

third_party/WebKit/Source/core/paint/BUILD.gn

 # Copyright 2016 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.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("paint") {
   split_count = 2
   sources = [
     "BackgroundImageGeometry.cpp",
@@ skipping 76 matching lines @@
     "MediaControlsPainter.cpp",
     "MediaControlsPainter.h",
     "MultiColumnSetPainter.cpp",
     "MultiColumnSetPainter.h",
     "NinePieceImageGrid.cpp",
     "NinePieceImageGrid.h",
     "NinePieceImagePainter.cpp",
     "NinePieceImagePainter.h",
     "ObjectPaintInvalidator.cpp",
     "ObjectPaintInvalidator.h",
-    "ObjectPaintProperties.cpp",
     "ObjectPaintProperties.h",
     "ObjectPainter.cpp",
     "ObjectPainter.h",
     "PaintInfo.cpp",
     "PaintInfo.h",
     "PaintInvalidationCapableScrollableArea.cpp",
     "PaintInvalidationCapableScrollableArea.h",
     "PaintInvalidator.cpp",
     "PaintInvalidator.h",
     "PaintLayer.cpp",
@@ skipping 18 matching lines @@
     "PaintPropertyTreeBuilder.h",
     "PaintPropertyTreePrinter.cpp",
     "PaintPropertyTreePrinter.h",
     "PaintResult.h",
     "PaintTiming.cpp",
     "PaintTiming.h",
     "PartPainter.cpp",
     "PartPainter.h",
     "PrePaintTreeWalk.cpp",
     "PrePaintTreeWalk.h",
+    "RarePaintData.cpp",
+    "RarePaintData.h",
     "ReplacedPainter.cpp",
     "ReplacedPainter.h",
     "RootInlineBoxPainter.cpp",
     "RootInlineBoxPainter.h",
     "RoundedInnerRectClipper.cpp",
     "RoundedInnerRectClipper.h",
     "SVGContainerPainter.cpp",
     "SVGContainerPainter.h",
     "SVGFilterPainter.cpp",
     "SVGFilterPainter.h",
@@ skipping 53 matching lines @@
     "ViewPaintInvalidator.h",
     "ViewPainter.cpp",
     "ViewPainter.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }