Remove ui/base/ios

ui/base/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/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
@@ skipping 148 matching lines @@
     "dragdrop/drop_target_event.h",
     "dragdrop/drop_target_win.cc",
     "dragdrop/drop_target_win.h",
     "dragdrop/os_exchange_data.cc",
     "dragdrop/os_exchange_data.h",
     "dragdrop/os_exchange_data_provider_mac.h",
     "dragdrop/os_exchange_data_provider_mac.mm",
     "dragdrop/os_exchange_data_provider_win.cc",
     "dragdrop/os_exchange_data_provider_win.h",
     "hit_test.h",
-    "ios/cru_context_menu_controller.h",
-    "ios/cru_context_menu_controller.mm",
-    "ios/cru_context_menu_holder.h",
-    "ios/cru_context_menu_holder.mm",
     "l10n/formatter.cc",
     "l10n/formatter.h",
     "l10n/l10n_font_util.cc",
     "l10n/l10n_font_util.h",
     "l10n/l10n_util.cc",
     "l10n/l10n_util.h",
     "l10n/l10n_util_android.cc",
     "l10n/l10n_util_android.h",
     "l10n/l10n_util_collator.h",
     "l10n/l10n_util_mac.h",
@@ skipping 531 matching lines @@
   outputs = [
     "{{bundle_resources_dir}}/" +
         "{{source_root_relative_dir}}/{{source_file_part}}",
   ]
 }
 
 # GYP version: ui/base/ui_base_tests.gyp:ui_base_unittests
 test("ui_base_unittests") {
   sources = [
     "clipboard/clipboard_util_mac_unittest.mm",
-    "ios/cru_context_menu_controller_unittest.mm",
     "l10n/l10n_util_mac_unittest.mm",
     "l10n/l10n_util_unittest.cc",
     "l10n/l10n_util_win_unittest.cc",
     "l10n/time_format_unittest.cc",
     "layout_unittest.cc",
     "material_design/material_design_controller_unittest.cc",
     "models/tree_node_iterator_unittest.cc",
     "resource/data_pack_literal.cc",
     "resource/data_pack_unittest.cc",
     "resource/resource_bundle_unittest.cc",
@@ skipping 218 matching lines @@
 if (is_mac) {
   mac_framework_bundle("ui_unittests_framework") {
     testonly = true
     deps = [
       "//ui/resources:ui_test_pak_bundle_data",
     ]
     info_plist = "test/framework-Info.plist"
     output_name = "ui_unittests Framework"
   }
 }