ozone: Rename XKeyboard to KeyboardController & use fake under ozone

chromeos/ime/ime_keyboard_ozone.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chromeos/network/onc/mock_certificate_importer.h"
+#include "chromeos/ime/fake_ime_keyboard.h"
+#include "chromeos/ime/ime_keyboard.h"
 
 namespace chromeos {
-namespace onc {
+namespace input_method {
 
-MockCertificateImporter::MockCertificateImporter() {
+// static
+ImeKeyboard* ImeKeyboard::Create() {
+  return new FakeImeKeyboard;
 }
 
-MockCertificateImporter::~MockCertificateImporter() {
-}
-
-}  // namespace onc
+}  // namespace input_method
 }  // namespace chromeos