Fix autoupdate_EndToEndTest on veyron_rialto

ui/base/ime/chromeos/mock_component_extension_ime_manager.cc

Index: ui/base/ime/chromeos/mock_component_extension_ime_manager.cc
diff --git a/ui/base/ime/chromeos/mock_component_extension_ime_manager.cc b/ui/base/ime/chromeos/mock_component_extension_ime_manager.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8ba58ea66d61f9447f917b16dbc688260f55a824
--- /dev/null
+++ b/ui/base/ime/chromeos/mock_component_extension_ime_manager.cc
@@ -0,0 +1,14 @@
+// Copyright 2017 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 "ui/base/ime/chromeos/mock_component_extension_ime_manager.h"
+
+namespace chromeos {
+
+input_method::InputMethodDescriptors
+MockComponentExtensionIMEManager::GetXkbIMEAsInputMethodDescriptor() {
+  return input_method::InputMethodDescriptors();
+}
+
+}  // namespace chromeos