Revert of mus: Add views_mus_interactive_ui_tests target

ui/views/test/views_test_base.cc

Index: ui/views/test/views_test_base.cc
diff --git a/ui/views/test/views_test_base.cc b/ui/views/test/views_test_base.cc
index 239f74bca503a02b3f0fb0e57c97096e78249620..0222a0fa30bc34a7a0a1d54a0c28ead7d90b884c 100644
--- a/ui/views/test/views_test_base.cc
+++ b/ui/views/test/views_test_base.cc
@@ -10,7 +10,6 @@
 #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 {
 
@@ -24,11 +23,6 @@
       << "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() {
@@ -77,4 +71,8 @@
   return test_helper_->GetContext();
 }
 
+bool ViewsTestBase::IsMus() const {
+  return test_helper_->IsMus();
+}
+
 }  // namespace views