Add animatable flag to 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 396 matching lines @@
     # Additional .cpp files for SVG.
     "$blink_core_output_dir/SVGElementFactory.cpp",
     "$blink_core_output_dir/V8SVGElementWrapperFactory.cpp",
 
     # Generated from make_style_shorthands.py
     "$blink_core_output_dir/StylePropertyShorthand.cpp",
 
     # Generated from make_style_builder.py
     "$blink_core_output_dir/StyleBuilder.cpp",
     "$blink_core_output_dir/StyleBuilderFunctions.cpp",
+
+    # Generated from make_css_property_metadata.py
+    "$blink_core_output_dir/CSSPropertyMetadata.cpp",
   ]
 
   configs -= core_config_remove
   configs += core_config_add
 
   configs += [
     "..:inside_blink",
   ]
 
   deps = [
@@ skipping 206 matching lines @@
     "../build/scripts/templates/StyleBuilderFunctions.cpp.tmpl",
     "../build/scripts/templates/StyleBuilderFunctions.h.tmpl",
   ]
   outputs = [
     "$blink_core_output_dir/StyleBuilder.cpp",
     "$blink_core_output_dir/StyleBuilderFunctions.h",
     "$blink_core_output_dir/StyleBuilderFunctions.cpp",
   ]
 }
 
+# "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.
 process_in_files("make_core_generated_css_value_keywords") {
   script = "../build/scripts/make_css_value_keywords.py"
 
   in_files = [
     "css/CSSValueKeywords.in",
     "css/SVGCSSValueKeywords.in",
   ]
   outputs = [
     "$blink_core_output_dir/CSSValueKeywords.cpp",
@@ skipping 408 matching lines @@
     "$blink_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_blink_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }