Added CSSPropertyAPIMethods.json5 which defines all API methods.

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/chromecast_build.gni")
 import("//build/toolchain/toolchain.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
@@ skipping 394 matching lines @@
     "../build/scripts/templates/ComputedStyleBaseConstants.h.tmpl",
   ]
   outputs = [
     "$blink_core_output_dir/ComputedStyleBase.cpp",
     "$blink_core_output_dir/ComputedStyleBase.h",
     "$blink_core_output_dir/ComputedStyleBaseConstants.h",
   ]
 }
 
 css_properties("make_core_generated_css_property_apis") {
-  script = "../build/scripts/make_css_property_apis.py"
-  other_inputs = [
-    "../build/scripts/templates/CSSPropertyDescriptor.cpp.tmpl",
-    "../build/scripts/templates/CSSPropertyAPIFiles.h.tmpl",
-  ]
-  outputs = [
-    "$blink_core_output_dir/css/properties/CSSPropertyDescriptor.cpp",
-  ]
+ script = "../build/scripts/make_css_property_apis.py"
+ other_inputs = [
+   "../build/scripts/templates/CSSPropertyDescriptor.cpp.tmpl",
+   "../build/scripts/templates/CSSPropertyAPIFiles.h.tmpl",
+ ]
+ in_files = [
+   "css/properties/CSSPropertyAPIMethods.json5",
+ ]
+ outputs = [
+   "$blink_core_output_dir/css/properties/CSSPropertyDescriptor.cpp",
+ ]
 }
 
 css_properties("make_core_generated_css_property_names") {
   script = "../build/scripts/make_css_property_names.py"
   outputs = [
     "$blink_core_output_dir/CSSPropertyNames.cpp",
     "$blink_core_output_dir/CSSPropertyNames.h",
   ]
 }
 
@@ skipping 872 matching lines @@
   sources = [
     "frame/csp/ContentSecurityPolicyFuzzer.cpp",
   ]
   deps = [
     ":core",
     "//third_party/WebKit/Source/platform:blink_fuzzer_test_support",
   ]
   dict = "//testing/libfuzzer/fuzzers/dicts/content_security_policy.dict"
   seed_corpus = "//testing/libfuzzer/fuzzers/content_security_policy_corpus"
 }