Move modifier remapping code from X to Ash

chrome/browser/chromeos/input_method/mock_xkeyboard.cc

Index: chrome/browser/chromeos/input_method/mock_xkeyboard.cc
diff --git a/chrome/browser/chromeos/input_method/mock_xkeyboard.cc b/chrome/browser/chromeos/input_method/mock_xkeyboard.cc
index 0792d8926bcf2a57ad0941f491f40888d6f89255..23b688ae10b6acfaa85243f8b48d6df7ffdfcce7 100644
--- a/chrome/browser/chromeos/input_method/mock_xkeyboard.cc
+++ b/chrome/browser/chromeos/input_method/mock_xkeyboard.cc
@@ -20,10 +20,6 @@ bool MockXKeyboard::SetCurrentKeyboardLayoutByName(
   return true;
 }
 
-bool MockXKeyboard::RemapModifierKeys(const ModifierMap& modifier_map) {
-  return true;
-}
-
 bool MockXKeyboard::ReapplyCurrentKeyboardLayout() {
   return true;
 }
@@ -58,8 +54,7 @@ bool MockXKeyboard::CapsLockIsEnabled() {
 }
 
 std::string MockXKeyboard::CreateFullXkbLayoutName(
-    const std::string& layout_name,
-      const ModifierMap& modifire_map) {
+    const std::string& layout_name) {
   return "";
 }