Revert of Reland: mus: Add views_mus_interactive_ui_tests target

ui/views/test/scoped_views_test_helper.cc

 // Copyright 2015 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/scoped_views_test_helper.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 26 matching lines @@
                                              context_factory));
   test_helper_->SetUp();
 
 #if defined(USE_AURA)
   // When running inside mus, the context-factory from
   // ui::InitializeContextFactoryForTests() is only needed for the default
   // WindowTreeHost instance created by TestScreen. After that, the
   // context-factory is used when creating Widgets (to set-up the compositor for
   // the corresponding mus::Windows). So unset the context-factory, so that
   // NativeWidgetMus installs the correct context-factory that can talk to mus.
-  if (PlatformTestHelper::IsMus())
+  if (platform_test_helper_->IsMus())
     aura::Env::GetInstance()->set_context_factory(nullptr);
 #endif
 
   ui::InitializeInputMethodForTesting();
 }
 
 ScopedViewsTestHelper::~ScopedViewsTestHelper() {
   ui::ShutdownInputMethodForTesting();
   test_helper_->TearDown();
   test_helper_.reset();
 
   views_delegate_.reset();
 
   // The Mus PlatformTestHelper has state that is deleted by
   // ui::TerminateContextFactoryForTests().
   platform_test_helper_.reset();
 
   ui::TerminateContextFactoryForTests();
 }
 
 gfx::NativeWindow ScopedViewsTestHelper::GetContext() {
   return test_helper_->GetContext();
 }
 
+bool ScopedViewsTestHelper::IsMus() const {
+  return platform_test_helper_->IsMus();
+}
+
 }  // namespace views