Convert make_names and make_event_factory to use json5 config format.

third_party/WebKit/Source/platform/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 44 matching lines @@
   ]
 
   public_deps = [
     "//skia",
   ]
 }
 
 action("font_family_names") {
   script = "../build/scripts/make_names.py"
 
-  font_family_names_in = "fonts/FontFamilyNames.in"
+  font_family_names_in = "fonts/FontFamilyNames.json5"
   inputs = make_names_files + [ font_family_names_in ]
 
   outputs = [
     "$blink_platform_output_dir/FontFamilyNames.cpp",
     "$blink_platform_output_dir/FontFamilyNames.h",
   ]
 
   args = [
     rebase_path(font_family_names_in, root_build_dir),
     "--output_dir",
     rebase_path(blink_platform_output_dir, root_build_dir),
   ]
 }
 
 action("http_names") {
   script = "../build/scripts/make_names.py"
 
-  http_names_in = "network/HTTPNames.in"
+  http_names_in = "network/HTTPNames.json5"
   inputs = make_names_files + [ http_names_in ]
 
   outputs = [
     "$blink_platform_output_dir/HTTPNames.cpp",
     "$blink_platform_output_dir/HTTPNames.h",
   ]
 
   args = [
     rebase_path(http_names_in, root_build_dir),
     "--output_dir",
@@ skipping 2015 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }