Get rid of unused callbacks from ui::InputMethodObserver

ui/base/ime/mock_input_method.cc

Index: ui/base/ime/mock_input_method.cc
diff --git a/ui/base/ime/mock_input_method.cc b/ui/base/ime/mock_input_method.cc
index f0a7a0851920cfe913bf974f56239d8eaaae5457..c0a5c2a1f214ab91793b5e28c92f95107baec583 100644
--- a/ui/base/ime/mock_input_method.cc
+++ b/ui/base/ime/mock_input_method.cc
@@ -51,9 +51,6 @@ void MockInputMethod::OnBlur() {
 
 bool MockInputMethod::OnUntranslatedIMEMessage(const base::NativeEvent& event,
                                                NativeEventResult* result) {
-  FOR_EACH_OBSERVER(InputMethodObserver,
-                    observer_list_,
-                    OnUntranslatedIMEMessage(event));
   if (result)
     *result = NativeEventResult();
   return false;
@@ -78,9 +75,6 @@ void MockInputMethod::CancelComposition(const TextInputClient* client) {
 }
 
 void MockInputMethod::OnInputLocaleChanged() {
-  FOR_EACH_OBSERVER(InputMethodObserver,
-                    observer_list_,
-                    OnInputLocaleChanged());
 }
 
 std::string MockInputMethod::GetInputLocale() {