Update bindings gn files for binding modularization.

Source/bindings/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/bindings/bindings.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
 
-visibility = [ "//third_party/WebKit/*" ]
-
-# Main interface IDL files (excluding dependencies and testing)
-# are included as properties on global objects, and in aggregate bindings.
-main_interface_idl_files = core_idl_files + modules_idl_files
-
-main_interface_idl_files_list = "$target_gen_dir/main_interface_idl_files.tmp"
-write_file(main_interface_idl_files_list,
-           rebase_path(main_interface_idl_files, root_build_dir))
-
-generated_global_constructors_idl_files = [
-  "$blink_output_dir/WindowConstructors.idl",
-  "$blink_output_dir/SharedWorkerGlobalScopeConstructors.idl",
-  "$blink_output_dir/DedicatedWorkerGlobalScopeConstructors.idl",
-  "$blink_output_dir/ServiceWorkerGlobalScopeConstructors.idl",
-]
-generated_global_constructors_header_files = [
-  "$blink_output_dir/WindowConstructors.h",
-  "$blink_output_dir/SharedWorkerGlobalScopeConstructors.h",
-  "$blink_output_dir/DedicatedWorkerGlobalScopeConstructors.h",
-  "$blink_output_dir/ServiceWorkerGlobalScopeConstructors.h",
-]
-
-# FIXME: Generate separate core_global_objects
-# http://crbug.com/358074
-# GYP version: generated.gyp:global_objects
-action("global_objects") {
-  script = "scripts/compute_global_objects.py"
-
-  inputs = [
-    "scripts/utilities.py",
-    # Only look in main IDL files (exclude dependencies and testing,
-    # which should not define global objects).
-    main_interface_idl_files_list,
-  ] + main_interface_idl_files
-
-  outputs = [
-    "$bindings_output_dir/GlobalObjects.pickle",
-  ]
-
-  args = [
-    "--idl-files-list",
-    rebase_path(main_interface_idl_files_list, root_build_dir),
-    "--write-file-only-if-changed=1",  # Always true for Ninja. FIXME: remove
-                                       # when everything switched to GN.
-    "--",
-    rebase_path("$bindings_output_dir/GlobalObjects.pickle", root_build_dir),
-  ]
-}
-
-# GYP version: generated.gyp:global_constructors_idls
-action("global_constructors_idls") {
-  script = "scripts/generate_global_constructors.py"
-
-  inputs = [
-    "scripts/generate_global_constructors.py",
-    "scripts/utilities.py",
-    "$bindings_output_dir/GlobalObjects.pickle",
-    # Only includes main IDL files (exclude dependencies and testing,
-    # which should not appear on global objects).
-    main_interface_idl_files_list,
-  ] + main_interface_idl_files
-
-  outputs = generated_global_constructors_idl_files +
-    generated_global_constructors_header_files
-
-  args = [
-    "--idl-files-list",
-    rebase_path(main_interface_idl_files_list, root_build_dir),
-    "--global-objects-file",
-    rebase_path("$bindings_output_dir/GlobalObjects.pickle", root_build_dir),
-    "--write-file-only-if-changed=1",  # Always true for Ninja.
-    "--",
-    "Window",
-    rebase_path("$blink_output_dir/WindowConstructors.idl", root_build_dir),
-    "SharedWorkerGlobalScope",
-    rebase_path("$blink_output_dir/SharedWorkerGlobalScopeConstructors.idl",
-                root_build_dir),
-    "DedicatedWorkerGlobalScope",
-    rebase_path("$blink_output_dir/DedicatedWorkerGlobalScopeConstructors.idl",
-                root_build_dir),
-    "ServiceWorkerGlobalScope",
-    rebase_path("$blink_output_dir/ServiceWorkerGlobalScopeConstructors.idl",
-                root_build_dir),
-  ]
-
-  deps = [ ":global_objects" ]
-}
-
-# GYP version: generated.gyp:generated_idls
-group("generated_idls") {
-  deps = [
-    ":global_constructors_idls",
-    "//third_party/WebKit/Source/core:generated_testing_idls",
-  ]
-}