Add InputMethodObserver support into InputMethodBase

ui/base/ime/input_method_win.cc

 // 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.
 
 #include "ui/base/ime/input_method_win.h"
 
 #include "base/basictypes.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
@@ skipping 76 matching lines @@
   return DispatchFabricatedKeyEventPostIME(event.type(),
                                            event.key_code(),
                                            event.flags());
 }
 
 void InputMethodWin::OnInputLocaleChanged() {
   active_ = imm32_manager_.SetInputLanguage();
   locale_ = imm32_manager_.GetInputLanguageName();
   direction_ = imm32_manager_.GetTextDirection();
   OnInputMethodChanged();
+  InputMethodBase::OnInputLocaleChanged();
 }
 
 std::string InputMethodWin::GetInputLocale() {
   return locale_;
 }
 
 base::i18n::TextDirection InputMethodWin::GetInputTextDirection() {
   return direction_;
 }
 
@@ skipping 235 matching lines @@
   // receiving keyboard input as long as it is an active window. This works well
   // even when the |attached_window_handle| becomes active but has not received
   // WM_FOCUS yet.
   return attached_window_handle && GetActiveWindow() == attached_window_handle;
 #else
   return attached_window_handle && GetFocus() == attached_window_handle;
 #endif
 }
 
 }  // namespace ui