Merge CSSPropertyNames.in and SVGCSSPropertyNames.in with CSSProperties.in

Source/core/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
@@ skipping 571 matching lines @@
     ":make_core_generated_xml_names",
     ":make_core_generated_make_token_matcher",
     ":make_core_generated_make_parser",
     ":make_core_generated_make_token_matcher_for_viewport",
     ":make_core_generated_html_element_lookup_trie",
     ":make_core_generated_bison",
   ]
 }
 
 # "CSSPropertyNames" in make_core_generated from GYP.
-process_in_files("make_core_generated_css_property_names") {
+css_properties("make_core_generated_css_property_names") {
   script = "../build/scripts/make_css_property_names.py"
-  in_files = [
-    "css/CSSPropertyNames.in",
-    "css/SVGCSSPropertyNames.in",
-  ]
   outputs = [
     "$blink_core_output_dir/CSSPropertyNames.cpp",
     "$blink_core_output_dir/CSSPropertyNames.h",
   ]
 }
 
 # "MediaFeatures" in make_core_generated from GYP.
 process_in_files("make_core_generated_media_features") {
   script = "../build/scripts/make_media_features.py"
   in_files = [
@@ skipping 457 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }