Added CSSPropertyDescriptor.h.tmpl to generate CSSPropertyDescriptor.h.

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 467 matching lines @@
 }
 
 make_css_property_apis("make_core_generated_css_property_apis") {
   in_files = [
     "css/CSSProperties.json5",
     "css/properties/CSSPropertyAPIMethods.json5",
   ]
   outputs = [
     "$blink_core_output_dir/css/properties/CSSPropertyAPI.h",
     "$blink_core_output_dir/css/properties/CSSPropertyDescriptor.cpp",
+    "$blink_core_output_dir/css/properties/CSSPropertyDescriptor.h",
   ]
 }
 
 process_in_files("make_core_generated_css_value_keywords") {
   script = "../build/scripts/make_css_value_keywords.py"
 
   in_files = [
     "css/CSSValueKeywords.json5",
     "css/SVGCSSValueKeywords.json5",
   ]
@@ skipping 807 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"
 }