Revert of Updates the IME list when the IME has refreshed.

ash/test/test_system_tray_delegate.cc

Index: ash/test/test_system_tray_delegate.cc
diff --git a/ash/test/test_system_tray_delegate.cc b/ash/test/test_system_tray_delegate.cc
index 1ffe01a306d86b80bcf4665b0c0cb2b25db64440..f620a4b572c8598fbe659e79f4a32b8fa7253015 100644
--- a/ash/test/test_system_tray_delegate.cc
+++ b/ash/test/test_system_tray_delegate.cc
@@ -65,10 +65,6 @@
 
 void TestSystemTrayDelegate::SetCurrentIME(const IMEInfo& info) {
   current_ime_ = info;
-}
-
-void TestSystemTrayDelegate::SetAvailableIMEList(const IMEInfoList& list) {
-  ime_list_ = list;
 }
 
 LoginStatus TestSystemTrayDelegate::GetUserLoginStatus() const {
@@ -146,9 +142,5 @@
   *info = current_ime_;
 }
 
-void TestSystemTrayDelegate::GetAvailableIMEList(IMEInfoList* list) {
-  *list = ime_list_;
-}
-
 }  // namespace test
 }  // namespace ash