mash: Migrate tray IME view to wm common types, move to //ash/common

ash/system/tray/system_tray_notifier.cc

Index: ash/system/tray/system_tray_notifier.cc
diff --git a/ash/system/tray/system_tray_notifier.cc b/ash/system/tray/system_tray_notifier.cc
index d24444cd23eb3676be0854e4c6a525f8c54257d4..21129329a4585bddd7986035eb472b347d37ab78 100644
--- a/ash/system/tray/system_tray_notifier.cc
+++ b/ash/system/tray/system_tray_notifier.cc
@@ -20,14 +20,6 @@ void SystemTrayNotifier::RemoveAudioObserver(AudioObserver* observer) {
   audio_observers_.RemoveObserver(observer);
 }
 
-void SystemTrayNotifier::AddIMEObserver(IMEObserver* observer) {
-  ime_observers_.AddObserver(observer);
-}
-
-void SystemTrayNotifier::RemoveIMEObserver(IMEObserver* observer) {
-  ime_observers_.RemoveObserver(observer);
-}
-
 void SystemTrayNotifier::AddLocaleObserver(LocaleObserver* observer) {
   locale_observers_.AddObserver(observer);
 }
@@ -150,16 +142,7 @@ void SystemTrayNotifier::RemoveLastWindowClosedObserver(
   last_window_closed_observers_.RemoveObserver(observer);
 }
 
-void SystemTrayNotifier::AddVirtualKeyboardObserver(
-    VirtualKeyboardObserver* observer) {
-  virtual_keyboard_observers_.AddObserver(observer);
-}
-
-void SystemTrayNotifier::RemoveVirtualKeyboardObserver(
-    VirtualKeyboardObserver* observer) {
-  virtual_keyboard_observers_.RemoveObserver(observer);
-}
-#endif
+#endif  // defined(OS_CHROMEOS)
 
 void SystemTrayNotifier::NotifyAudioOutputVolumeChanged(uint64_t node_id,
                                                         double volume) {
@@ -201,18 +184,6 @@ void SystemTrayNotifier::NotifyTracingModeChanged(bool value) {
       OnTracingModeChanged(value));
 }
 
-void SystemTrayNotifier::NotifyRefreshIME() {
-  FOR_EACH_OBSERVER(IMEObserver,
-                    ime_observers_,
-                    OnIMERefresh());
-}
-
-void SystemTrayNotifier::NotifyRefreshIMEMenu(bool is_active) {
-  FOR_EACH_OBSERVER(IMEObserver,
-                    ime_observers_,
-                    OnIMEMenuActivationChanged(is_active));
-}
-
 void SystemTrayNotifier::NotifyLocaleChanged(
     LocaleObserver::Delegate* delegate,
     const std::string& cur_locale,
@@ -326,13 +297,6 @@ void SystemTrayNotifier::NotifyLastWindowClosed() {
                     OnLastWindowClosed());
 }
 
-void SystemTrayNotifier::NotifyVirtualKeyboardSuppressionChanged(
-    bool suppressed) {
-  FOR_EACH_OBSERVER(VirtualKeyboardObserver,
-                    virtual_keyboard_observers_,
-                    OnKeyboardSuppressionChanged(suppressed));
-}
-
 #endif  // OS_CHROMEOS
 
 }  // namespace ash