Move chrome.fileSystem interface and bindings to //extensions

chrome/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("//chrome/common/features.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
@@ skipping 284 matching lines @@
       "media/cast_udp_transport.h",
       "resources/extensions/app_custom_bindings.js",
       "resources/extensions/automation_custom_bindings.js",
       "resources/extensions/browser_action_custom_bindings.js",
       "resources/extensions/chrome_direct_setting.js",
       "resources/extensions/chrome_setting.js",
       "resources/extensions/content_setting.js",
       "resources/extensions/declarative_content_custom_bindings.js",
       "resources/extensions/enterprise_platform_keys_custom_bindings.js",
       "resources/extensions/feedback_private_custom_bindings.js",
-      "resources/extensions/file_entry_binding_util.js",
-      "resources/extensions/file_system_custom_bindings.js",
       "resources/extensions/gcm_custom_bindings.js",
       "resources/extensions/identity_custom_bindings.js",
       "resources/extensions/image_writer_private_custom_bindings.js",
       "resources/extensions/input.ime_custom_bindings.js",
       "resources/extensions/log_private_custom_bindings.js",
       "resources/extensions/notifications_custom_bindings.js",
       "resources/extensions/omnibox_custom_bindings.js",
       "resources/extensions/page_action_custom_bindings.js",
       "resources/extensions/page_capture_custom_bindings.js",
       "resources/extensions/system_indicator_custom_bindings.js",
@@ skipping 112 matching lines @@
     ]
   }
 
   if (is_android) {
     sources -= [
       "safe_browsing/mock_feature_extractor_clock.cc",
       "safe_browsing/mock_feature_extractor_clock.h",
     ]
   }
 }