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

ash/system/tray/system_tray_notifier.h

Index: ash/system/tray/system_tray_notifier.h
diff --git a/ash/system/tray/system_tray_notifier.h b/ash/system/tray/system_tray_notifier.h
index 1463b511f721b2fb03f86df8c4095b5746ea0c7f..14a1381222ad8e39ad5410b6b668273186075b7f 100644
--- a/ash/system/tray/system_tray_notifier.h
+++ b/ash/system/tray/system_tray_notifier.h
@@ -13,7 +13,6 @@
 #include "ash/ash_export.h"
 #include "ash/system/audio/audio_observer.h"
 #include "ash/system/chromeos/tray_tracing.h"
-#include "ash/system/ime/ime_observer.h"
 #include "ash/system/locale/locale_observer.h"
 #include "ash/system/user/user_observer.h"
 #include "base/macros.h"
@@ -29,7 +28,6 @@
 #include "ash/system/chromeos/session/last_window_closed_observer.h"
 #include "ash/system/chromeos/session/logout_button_observer.h"
 #include "ash/system/chromeos/session/session_length_limit_observer.h"
-#include "ash/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
 #include "ash/system/tray/media_security/media_capture_observer.h"
 #include "base/time/time.h"
 #endif
@@ -48,9 +46,6 @@ class ASH_EXPORT SystemTrayNotifier {
   void AddAudioObserver(AudioObserver* observer);
   void RemoveAudioObserver(AudioObserver* observer);
 
-  void AddIMEObserver(IMEObserver* observer);
-  void RemoveIMEObserver(IMEObserver* observer);
-
   void AddLocaleObserver(LocaleObserver* observer);
   void RemoveLocaleObserver(LocaleObserver* observer);
 
@@ -92,9 +87,6 @@ class ASH_EXPORT SystemTrayNotifier {
 
   void AddLastWindowClosedObserver(LastWindowClosedObserver* observer);
   void RemoveLastWindowClosedObserver(LastWindowClosedObserver* observer);
-
-  void AddVirtualKeyboardObserver(VirtualKeyboardObserver* observer);
-  void RemoveVirtualKeyboardObserver(VirtualKeyboardObserver* observer);
 #endif
 
   void NotifyAudioOutputVolumeChanged(uint64_t node_id, double volume);
@@ -103,8 +95,6 @@ class ASH_EXPORT SystemTrayNotifier {
   void NotifyAudioActiveOutputNodeChanged();
   void NotifyAudioActiveInputNodeChanged();
   void NotifyTracingModeChanged(bool value);
-  void NotifyRefreshIME();
-  void NotifyRefreshIMEMenu(bool is_active);
   void NotifyLocaleChanged(LocaleObserver::Delegate* delegate,
                            const std::string& cur_locale,
                            const std::string& from_locale,
@@ -129,12 +119,10 @@ class ASH_EXPORT SystemTrayNotifier {
                               const base::string16& helper_name);
   void NotifyScreenShareStop();
   void NotifyLastWindowClosed();
-  void NotifyVirtualKeyboardSuppressionChanged(bool suppressed);
 #endif
 
  private:
   base::ObserverList<AudioObserver> audio_observers_;
-  base::ObserverList<IMEObserver> ime_observers_;
   base::ObserverList<LocaleObserver> locale_observers_;
   base::ObserverList<TracingObserver> tracing_observers_;
   base::ObserverList<UserObserver> user_observers_;
@@ -151,7 +139,6 @@ class ASH_EXPORT SystemTrayNotifier {
   base::ObserverList<ScreenCaptureObserver> screen_capture_observers_;
   base::ObserverList<ScreenShareObserver> screen_share_observers_;
   base::ObserverList<LastWindowClosedObserver> last_window_closed_observers_;
-  base::ObserverList<VirtualKeyboardObserver> virtual_keyboard_observers_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayNotifier);