Reland: mus: Add views_mus_interactive_ui_tests target

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/run_loop.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/test/material_design_controller_test_api.h"
+#include "ui/views/test/platform_test_helper.h"
 
 namespace views {
 
 ViewsTestBase::ViewsTestBase()
     : setup_called_(false),
       teardown_called_(false) {
 }
 
 ViewsTestBase::~ViewsTestBase() {
   CHECK(setup_called_)
       << "You have overridden SetUp but never called super class's SetUp";
   CHECK(teardown_called_)
       << "You have overridden TearDown but never called super class's TearDown";
 }
 
+// static
+bool ViewsTestBase::IsMus() {
+  return PlatformTestHelper::IsMus();
+}
+
 void ViewsTestBase::SetUp() {
   testing::Test::SetUp();
   // ContentTestSuiteBase might have already initialized
   // MaterialDesignController in unit_tests suite.
   ui::test::MaterialDesignControllerTestAPI::Uninitialize();
   ui::MaterialDesignController::Initialize();
   setup_called_ = true;
   if (!views_delegate_for_setup_)
     views_delegate_for_setup_.reset(new TestViewsDelegate());
 
@@ skipping 26 matching lines @@
 
 void ViewsTestBase::DisableNativeWidgetMus() {
   ViewsDelegate::GetInstance()->set_native_widget_factory(
       ViewsDelegate::NativeWidgetFactory());
 }
 
 gfx::NativeWindow ViewsTestBase::GetContext() {
   return test_helper_->GetContext();
 }
 
-bool ViewsTestBase::IsMus() const {
-  return test_helper_->IsMus();
-}
-
 }  // namespace views