Removed webui_generator and new OOBE UI placeholder.

components/webui_generator/BUILD.gn

Index: components/webui_generator/BUILD.gn
diff --git a/components/webui_generator/BUILD.gn b/components/webui_generator/BUILD.gn
deleted file mode 100644
index 13e167fde41ffd8c581b7169d014cd7e6b8a4765..0000000000000000000000000000000000000000
--- a/components/webui_generator/BUILD.gn
+++ /dev/null
@@ -1,36 +0,0 @@
-# Copyright 2015 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.
-
-# GYP version: components/webui_generator.gypi:webui_generator
-component("webui_generator") {
-  sources = [
-    "data_source_util.cc",
-    "data_source_util.h",
-    "export.h",
-    "view.cc",
-    "view.h",
-    "view_model.cc",
-    "view_model.h",
-    "web_ui_view.cc",
-    "web_ui_view.h",
-  ]
-
-  defines = [ "WUG_IMPLEMENTATION" ]
-
-  deps = [
-    "//components/resources",
-    "//ui/base",
-  ]
-
-  public_deps = [
-    "//base",
-    "//components/login",
-    "//content/public/browser",
-  ]
-}
-
-# Config for users of generated files.
-config("wug_generated_config") {
-  include_dirs = [ "$root_gen_dir/wug" ]
-}