IDL: Generate union type containers

Source/bindings/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("//third_party/WebKit/Source/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/core/core.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 import("//third_party/WebKit/Source/bindings/scripts/scripts.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 
@@ skipping 48 matching lines @@
     "$blink_modules_output_dir/EventTargetModulesNames.h",
   ]
 }
 
 # ------------------------------------------------------------------------------
 
 # GYP version: Source/bindings/modules/generated.gyp:interfaces_info_individual_modules
 compute_interfaces_info_individual("interfaces_info_individual_modules") {
   sources_static = modules_static_idl_files
   sources_generated = modules_generated_dependency_idl_files
-  output_file =
+  interfaces_info_file =
     "$bindings_modules_output_dir/InterfacesInfoModulesIndividual.pickle"
+  component_wide_info_file =
+    "$bindings_modules_output_dir/ComponentInfoModules.pickle"
   deps = [
     ":modules_core_global_constructors_idls",
     ":modules_global_constructors_idls",
   ]
 }
 
 # GYP version: Source/bindings/modules/generated.gyp:interfaces_info
 action("interfaces_info") {
   script = "$bindings_scripts_dir/compute_interfaces_info_overall.py"
 
@@ skipping 45 matching lines @@
 
 # GYP version: Source/bindings/modules/generated.gyp:modules_global_constructors_idls
 generate_global_constructors("modules_global_constructors_idls") {
   sources = modules_idl_files
   global_objects_file = "$bindings_modules_output_dir/GlobalObjectsModules.pickle"
   interfaces = modules_global_constructors_original_interfaces
   component = "Modules"
   output_dir = blink_modules_output_dir
   deps = [ ":modules_global_objects" ]
 }