Generate CSSPropertyEquality instead of using hand-updated file.

third_party/WebKit/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/chrome_build.gni")
 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")
@@ skipping 398 matching lines @@
     "$blink_core_output_dir/StyleBuilderFunctions.cpp",
 
     # Generated from make_css_property_metadata.py
     "$blink_core_output_dir/CSSPropertyMetadata.cpp",
 
     # Generated from make_cssom_types.py
     "$blink_core_output_dir/CSSOMTypes.cpp",
 
     # Generated from make_cssom_keywords.py
     "$blink_core_output_dir/CSSOMKeywords.cpp",
+
+    # Generated from make_css_property_equality.py
+    "$blink_core_output_dir/CSSPropertyEquality.cpp",
+    "$blink_core_output_dir/CSSPropertyEqualityCustom.h",
   ]
 
   configs -= core_config_remove
   configs += core_config_add
 
   configs += [ "..:inside_blink" ]
 
   public_deps = [
     ":make_core_generated",
     ":prerequisites",
@@ skipping 129 matching lines @@
     "$rel_blink_core_gen_dir/testing",
   ]
 }
 
 # make_core_generated ----------------------------------------------------------
 
 # GYP version: WebKit/Source/core/core_generated.gyp:make_core_generated
 group("make_core_generated") {
   public_deps = [
     ":make_core_generated_bison",
+    ":make_core_generated_css_property_equality",
     ":make_core_generated_css_property_metadata",
     ":make_core_generated_css_property_names",
     ":make_core_generated_css_tokenizer_codepoints",
     ":make_core_generated_css_value_keywords",
     ":make_core_generated_cssom_types",
     ":make_core_generated_event_factory",
     ":make_core_generated_event_names",
     ":make_core_generated_event_target_names",
     ":make_core_generated_event_type_names",
     ":make_core_generated_fetch_initiator_type_names",
@@ skipping 77 matching lines @@
   other_inputs = [
     "../build/scripts/templates/CSSOMKeywords.cpp.tmpl",
     "../build/scripts/templates/CSSOMTypes.cpp.tmpl",
   ]
   outputs = [
     "$blink_core_output_dir/CSSOMKeywords.cpp",
     "$blink_core_output_dir/CSSOMTypes.cpp",
   ]
 }
 
+# "CSSOMTypes" in make_core_generated from GYP.
+css_properties("make_core_generated_css_property_equality") {
+  script = "../build/scripts/make_css_property_equality.py"
+  other_inputs = [
+    "../build/scripts/templates/CSSPropertyEquality.cpp.tmpl",
+    "../build/scripts/templates/CSSPropertyEqualityCustom.h.tmpl",
+  ]
+  outputs = [
+    "$blink_core_output_dir/CSSPropertyEquality.cpp",
+    "$blink_core_output_dir/CSSPropertyEqualityCustom.h",
+  ]
+}
+
 # "CSSPropertyMetadata" in make_core_generated from GYP.
 css_properties("make_core_generated_css_property_metadata") {
   script = "../build/scripts/make_css_property_metadata.py"
   other_inputs = [ "../build/scripts/templates/CSSPropertyMetadata.cpp.tmpl" ]
   outputs = [
     "$blink_core_output_dir/CSSPropertyMetadata.cpp",
   ]
 }
 
 # "CSSValueKeywords" in make_core_generated from GYP.
@@ skipping 354 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }