Fixs bug resulting in double event delivery in mus

ui/views/test/views_test_base.cc

 // Copyright (c) 2012 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/views/test/views_test_base.h"
 
 #include <utility>
 
 #include "base/environment.h"
 #include "base/run_loop.h"
@@ skipping 91 matching lines @@
 }
 
 bool ViewsTestBase::HasCompositingManager() const {
   return has_compositing_manager_;
 }
 
 void ViewsTestBase::SimulateNativeDestroy(Widget* widget) {
   test_helper_->platform_test_helper()->SimulateNativeDestroy(widget);
 }
 
+void ViewsTestBase::DisableMusInputMethod(Widget* widget) {
+  test_helper_->platform_test_helper()->DisableMusInputMethod(widget);
+}
+
 gfx::NativeWindow ViewsTestBase::GetContext() {
   return test_helper_->GetContext();
 }
 
 }  // namespace views