Clean UP: Remove IBusClientImpl from ui/base/ime/*

ui/base/ime/ime.gypi

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'ime_files': [
       'character_composer.cc',
       'character_composer.h',
       'composition_text.cc',
       'composition_text.h',
       'composition_underline.h',
+      'ibus_client.cc',
       'ibus_client.h',
-      'ibus_client_impl.cc',
-      'ibus_client_impl.h',
       'input_method.h',
       'input_method_base.cc',
       'input_method_base.h',
       'input_method_delegate.h',
       'input_method_factory.cc',
       'input_method_factory.h',
       'input_method_ibus.cc',
       'input_method_ibus.h',
       'mock_input_method.cc',
       'mock_input_method.h',
@@ skipping 12 matching lines @@
       ],
       'sources/': [
         # gtk_im_context_util* use ui::CompositionText.
         ['include', 'composition_text\\.(cc|h)$'],
         # native_textfield_views* use ui::TextInputClient.
         ['include', 'text_input_client\\.(cc|h)$'],
       ],
     }],
     ['chromeos==0', {
       'sources!': [
-        'ibus_client_impl.cc',
-        'ibus_client_impl.h',
+        'ibus_client.cc',
+        'ibus_client.h',
         'input_method_ibus.cc',
         'input_method_ibus.h',
       ],
     }],
   ],
 }