Removes code using mus client lib

ui/views/test/views_test_base.h

 // 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.
 
 #ifndef UI_VIEWS_TEST_VIEWS_TEST_BASE_H_
 #define UI_VIEWS_TEST_VIEWS_TEST_BASE_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 11 matching lines @@
 
 namespace views {
 
 // A base class for views unit test. It creates a message loop necessary
 // to drive UI events and takes care of OLE initialization for windows.
 class ViewsTestBase : public PlatformTest {
  public:
   ViewsTestBase();
   ~ViewsTestBase() override;
 
-  // Whether the test is running under mus.
-  static bool IsMus();
-
   // Returns true if running aura-mus in a client configuration (not the window
   // manager).
-  static bool IsAuraMusClient();
+  static bool IsMus();
 
   // testing::Test:
   void SetUp() override;
   void TearDown() override;
 
   void RunPendingMessages();
 
   // Creates a widget of |type| with any platform specific data for use in
   // cross-platform tests.
   Widget::InitParams CreateParams(Widget::InitParams::Type type);
@@ skipping 30 matching lines @@
 #if defined(OS_WIN)
   ui::ScopedOleInitializer ole_initializer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ViewsTestBase);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_TEST_VIEWS_TEST_BASE_H_