Revert of IME for Mus: Make InputMethodMus use the IME Mojo API.

ui/views/mus/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("//services/shell/public/cpp/service.gni")
 import("//services/shell/public/service_manifest.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
@@ skipping 19 matching lines @@
     "native_widget_mus.h",
     "os_exchange_data_provider_mus.cc",
     "os_exchange_data_provider_mus.h",
     "pointer_watcher_event_router.cc",
     "pointer_watcher_event_router.h",
     "screen_mus.cc",
     "screen_mus.h",
     "screen_mus_delegate.h",
     "surface_context_factory.cc",
     "surface_context_factory.h",
-    "text_input_client_impl.cc",
-    "text_input_client_impl.h",
     "window_manager_connection.cc",
     "window_manager_connection.h",
     "window_manager_constants_converters.cc",
     "window_manager_constants_converters.h",
     "window_manager_frame_values.cc",
     "window_manager_frame_values.h",
     "window_tree_host_mus.cc",
     "window_tree_host_mus.h",
   ]
 
@@ skipping 98 matching lines @@
   ]
 }
 
 test("views_mus_unittests") {
   testonly = true
 
   configs += [ "//build/config:precompiled_headers" ]
 
   sources = [
     "display_list_unittest.cc",
-    "input_method_mus_unittest.cc",
     "native_widget_mus_unittest.cc",
     "os_exchange_data_provider_mus_unittest.cc",
     "pointer_watcher_event_router_unittest.cc",
     "run_all_unittests_mus.cc",
     "screen_mus_unittest.cc",
   ]
 
   sources += rebase_path(gypi.views_unittests_sources, ".", "//ui/views")
   sources += rebase_path(gypi.views_unittests_aura_sources, ".", "//ui/views")
 
@@ skipping 44 matching lines @@
     "//ui/strings",
     "//ui/touch_selection",
     "//ui/views",
     "//ui/views:test_support_internal",
     "//ui/wm",
     "//url",
   ]
 
   data_deps = [
     ":unittests_manifest",
-    "//services/ui/ime/test_ime_driver",
     "//services/ui/test_wm",
   ]
 
   if (is_win) {
     deps += [
       "//build/win:default_exe_manifest",
       "//third_party/iaccessible2",
       "//third_party/wtl",
     ]
     libs = [
@@ skipping 71 matching lines @@
   type = "exe"
   name = "views_mus_unittests"
   source = "unittests_manifest.json"
 }
 
 service_manifest("interactive_ui_tests_manifest") {
   type = "exe"
   name = "views_mus_interactive_ui_tests"
   source = "interactive_ui_tests_manifest.json"
 }