Convert make_names and make_event_factory to use json5 config format.

third_party/WebKit/Source/modules/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/split_static_library.gni")
 import("//build/config/chromecast_build.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/v8.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 16 matching lines @@
 
   if (is_chromecast) {
     defines += [
       "BLINK_MSLOG=VLOG(2)",
       "BLINK_SBLOG=VLOG(2)",
     ]
   }
 }
 
 make_names("module_names") {
-  in_files = [ "indexeddb/IndexedDBNames.in" ]
+  in_files = [ "indexeddb/IndexedDBNames.json5" ]
   outputs = [
     "$blink_modules_output_dir/IndexedDBNames.cpp",
     "$blink_modules_output_dir/IndexedDBNames.h",
   ]
   deps = []  # Don't use default deps (otherwise it will be circular).
 }
 
 target(modules_target_type, "modules") {
   output_name = "blink_modules"
 
@@ skipping 261 matching lines @@
     ":modules_testing",
     "//components/payments:payment_request_blink",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/Source/core",
     "//third_party/WebKit/Source/wtf",
     "//v8",
   ]
 }