Generate subgroup StyleSurroundData in ComputedStyle.

third_party/WebKit/Source/core/style/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("rendering") {
   visibility = [ "//third_party/WebKit/Source/core/*" ]
 
   sources = [
@@ skipping 86 matching lines @@
     "StylePath.h",
     "StylePendingImage.h",
     "StyleRareInheritedData.cpp",
     "StyleRareInheritedData.h",
     "StyleRareNonInheritedData.cpp",
     "StyleRareNonInheritedData.h",
     "StyleReflection.h",
     "StyleScrollSnapData.cpp",
     "StyleScrollSnapData.h",
     "StyleSelfAlignmentData.h",
-    "StyleSurroundData.cpp",
-    "StyleSurroundData.h",
     "StyleTransformData.cpp",
     "StyleTransformData.h",
     "StyleVisualData.cpp",
     "StyleVisualData.h",
     "StyleWillChangeData.cpp",
     "StyleWillChangeData.h",
     "TextSizeAdjust.h",
   ]
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }
 
 blink_core_sources("svg_style") {
   sources = [
     "SVGComputedStyle.cpp",
     "SVGComputedStyle.h",
     "SVGComputedStyleDefs.cpp",
     "SVGComputedStyleDefs.h",
   ]
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }