IME for Mus: Use ui::InputMethodChromeOS to provide logic for ime driver.

chrome/browser/ui/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/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1871 matching lines @@
         deps += [
           "//services/ui/public/cpp",
           "//services/ui/public/interfaces",
         ]
       }
 
       # TODO(ellyjones): Mus is not supported on Mac (there is no ui::Window
       # apart from aura::Window, which is also not supported).
       if (!is_mac) {
         sources += [
-          "views/ime_driver_mus.cc",
-          "views/ime_driver_mus.h",
+          "views/ime_driver/ime_driver_mus.cc",
+          "views/ime_driver/ime_driver_mus.h",
+          "views/ime_driver/input_method_bridge_chromeos.cc",
+          "views/ime_driver/input_method_bridge_chromeos.h",
+          "views/ime_driver/noop_input_method.cc",
+          "views/ime_driver/noop_input_method.h",
+          "views/ime_driver/remote_text_input_client.cc",
+          "views/ime_driver/remote_text_input_client.h",
           "views/tabs/window_finder_mus.cc",
           "views/tabs/window_finder_mus.h",
         ]
 
         deps += [ "//ui/views/mus" ]
       }
     }
     if (use_ash) {
       sources += [
         "views/frame/browser_frame_ash.cc",
@@ skipping 1577 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }