Move chrome.fileSystem interface and bindings to //extensions

extensions/renderer/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("//extensions/features/features.gni")
 
 assert(enable_extensions)
 
 source_set("renderer") {
@@ skipping 135 matching lines @@
     "resources/app_runtime_custom_bindings.js",
     "resources/app_window_custom_bindings.js",
     "resources/binding.js",
     "resources/context_menus_custom_bindings.js",
     "resources/declarative_webrequest_custom_bindings.js",
     "resources/entry_id_manager.js",
     "resources/event.js",
     "resources/extension.css",
     "resources/extension_custom_bindings.js",
     "resources/extension_fonts.css",
+    "resources/file_entry_binding_util.js",
+    "resources/file_system_custom_bindings.js",
     "resources/greasemonkey_api.js",
     "resources/guest_view/app_view/app_view.js",
     "resources/guest_view/extension_options/extension_options.js",
     "resources/guest_view/extension_view/extension_view.js",
     "resources/guest_view/web_view/web_view.js",
     "resources/guest_view/web_view/web_view_events.js",
     "resources/guest_view/web_view/web_view_iframe.js",
     "resources/i18n_custom_bindings.js",
     "resources/image_util.js",
     "resources/json_schema.js",
@@ skipping 203 matching lines @@
     "//ui/base",
   ]
 
   if (enable_wifi_display && proprietary_codecs) {
     sources += [
       "api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc",
       "api/display_source/wifi_display/wifi_display_media_packetizer_unittest.cc",
     ]
   }
 }