Rename ViewTestSuite to ViewsTestSuite and put it in the proper file

ui/views/mus/views_mus_test_suite.cc

Index: ui/views/mus/views_mus_test_suite.cc
diff --git a/ui/views/mus/views_mus_test_suite.cc b/ui/views/mus/views_mus_test_suite.cc
index 9d327311ce9b698e7a7eaa61b0fe1612b75254d9..4d5a810b5a41b323e42659510f032eb2e1d803e0 100644
--- a/ui/views/mus/views_mus_test_suite.cc
+++ b/ui/views/mus/views_mus_test_suite.cc
@@ -124,19 +124,19 @@ class ShellConnection {
 };
 
 ViewsMusTestSuite::ViewsMusTestSuite(int argc, char** argv)
-    : ViewTestSuite(argc, argv) {}
+    : ViewsTestSuite(argc, argv) {}
 
 ViewsMusTestSuite::~ViewsMusTestSuite() {}
 
 void ViewsMusTestSuite::Initialize() {
   PlatformTestHelper::SetIsMus();
-  ViewTestSuite::Initialize();
+  ViewsTestSuite::Initialize();
   shell_connections_.reset(new ShellConnection);
 }
 
 void ViewsMusTestSuite::Shutdown() {
   shell_connections_.reset();
-  ViewTestSuite::Shutdown();
+  ViewsTestSuite::Shutdown();
 }
 
 }  // namespace views