Implement incremental paint property tree rebuilding

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 29 matching lines @@
     "EmbeddedObjectPainter.cpp",
     "EmbeddedObjectPainter.h",
     "FieldsetPainter.cpp",
     "FieldsetPainter.h",
     "FileUploadControlPainter.cpp",
     "FileUploadControlPainter.h",
     "FilterEffectBuilder.cpp",
     "FilterEffectBuilder.h",
     "FilterPainter.cpp",
     "FilterPainter.h",
+    "FindPropertiesNeedingUpdate.h",
     "FirstMeaningfulPaintDetector.cpp",
     "FirstMeaningfulPaintDetector.h",
     "FloatClipRecorder.cpp",
     "FloatClipRecorder.h",
     "FramePainter.cpp",
     "FramePainter.h",
     "FrameSetPainter.cpp",
     "FrameSetPainter.h",
     "GridPainter.cpp",
     "GridPainter.h",
@@ skipping 127 matching lines @@
     "VideoPainter.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",
   ]
 }