cros: Simplify chromeos::input_method::XKeyboard interface.

chromeos/ime/fake_xkeyboard.cc

Index: chromeos/ime/fake_xkeyboard.cc
diff --git a/chromeos/ime/fake_xkeyboard.cc b/chromeos/ime/fake_xkeyboard.cc
index 7cc10b5e593806fa010b7937550583af6b5cfd46..45bd5bf274f502301fe7bfb9853230c220afab3b 100644
--- a/chromeos/ime/fake_xkeyboard.cc
+++ b/chromeos/ime/fake_xkeyboard.cc
@@ -10,7 +10,6 @@ namespace input_method {
 FakeXKeyboard::FakeXKeyboard()
     : set_current_keyboard_layout_by_name_count_(0),
       caps_lock_is_enabled_(false),
-      num_lock_is_enabled_(false),
       auto_repeat_is_enabled_(false) {
 }
 
@@ -28,42 +27,17 @@ bool FakeXKeyboard::ReapplyCurrentKeyboardLayout() {
 void FakeXKeyboard::ReapplyCurrentModifierLockStatus() {
 }
 
-void FakeXKeyboard::SetLockedModifiers(ModifierLockStatus new_caps_lock_status,
-                                       ModifierLockStatus new_num_lock_status) {
-  if (new_caps_lock_status != kDontChange) {
-    caps_lock_is_enabled_ =
-        (new_caps_lock_status == kEnableLock) ? true : false;
-  }
-  if (new_num_lock_status != kDontChange)
-    num_lock_is_enabled_ = (new_num_lock_status == kEnableLock) ? true : false;
-}
-
-void FakeXKeyboard::SetNumLockEnabled(bool enable_num_lock) {
-  num_lock_is_enabled_ = enable_num_lock;
+void FakeXKeyboard::DisableNumLock() {
 }
 
 void FakeXKeyboard::SetCapsLockEnabled(bool enable_caps_lock) {
   caps_lock_is_enabled_ = enable_caps_lock;
 }
 
-bool FakeXKeyboard::NumLockIsEnabled() {
-  return num_lock_is_enabled_;
-}
-
 bool FakeXKeyboard::CapsLockIsEnabled() {
   return caps_lock_is_enabled_;
 }
 
-unsigned int FakeXKeyboard::GetNumLockMask() {
-  return 1;
-}
-
-void FakeXKeyboard::GetLockedModifiers(bool* out_caps_lock_enabled,
-                                       bool* out_num_lock_enabled) {
-  *out_caps_lock_enabled = caps_lock_is_enabled_;
-  *out_num_lock_enabled = num_lock_is_enabled_;
-}
-
 bool FakeXKeyboard::SetAutoRepeatEnabled(bool enabled) {
   auto_repeat_is_enabled_ = enabled;
   return true;