Move chromeos::EventRewriter to //ui/chromeos/events

chrome/browser/extensions/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("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//rlz/features/features.gni")
@@ skipping 989 matching lines @@
     deps += [
       "//components/chrome_apps",
       "//components/constrained_window",
       "//components/drive",
       "//components/user_manager",
       "//remoting/host",
       "//remoting/host/it2me:common",
       "//third_party/protobuf:protobuf_lite",
       "//ui/app_list",
       "//ui/chromeos",
+      "//ui/chromeos/events",
       "//ui/file_manager",
       "//ui/views/",
     ]
   } else {
     sources += [
       "api/easy_unlock_private/easy_unlock_private_crypto_delegate_stub.cc",
       "api/image_writer_private/operation_nonchromeos.cc",
       "api/image_writer_private/removable_storage_provider_linux.cc",
       "api/messaging/native_message_process_host.cc",
       "api/messaging/native_message_process_host.h",
@@ skipping 165 matching lines @@
       "api/braille_display_private/brlapi_connection.cc",
       "api/braille_display_private/brlapi_connection.h",
       "api/braille_display_private/brlapi_keycode_map.cc",
       "api/braille_display_private/brlapi_keycode_map.h",
     ]
     deps += [ "//build/linux/libbrlapi" ]
   } else {
     sources += [ "api/braille_display_private/braille_controller_stub.cc" ]
   }
 }