[IME] migrate the xkb ID to extension based xkb ID.

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index 8fda319f81d34e72e41f833899cd88e2ca259a6f..25c0b9c21ffba7f8667a26e4cc246147395f4e4d 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -50,6 +50,11 @@ bool InputMethodManagerImpl::IsLoginKeyboard(
   return util_.IsLoginKeyboard(layout);
 }
 
+bool InputMethodManagerImpl::MigrateXkbInputMethods(
+    std::vector<std::string>* input_method_ids) {
+  return util_.MigrateXkbInputMethods(input_method_ids);
+}
+
 InputMethodManagerImpl::InputMethodManagerImpl(
     scoped_ptr<InputMethodDelegate> delegate)
     : delegate_(delegate.Pass()),
@@ -319,8 +324,10 @@ bool InputMethodManagerImpl::ChangeInputMethodInternal(
     }
   }
 
-  if (!component_extension_ime_manager_->IsInitialized() &&
-      !InputMethodUtil::IsKeyboardLayout(input_method_id_to_switch)) {
+  if (!component_extension_ime_manager_->IsInitialized() && (
+      !InputMethodUtil::IsKeyboardLayout(input_method_id_to_switch) ||
+      extension_ime_util::IsKeyboardLayoutExtension(
+          input_method_id_to_switch))) {
     // We can't change input method before the initialization of
     // component extension ime manager.  ChangeInputMethod will be
     // called with |pending_input_method_| when the initialization is