Adds TODO with reference to bug

ui/views/mus/screen_mus.cc

Index: ui/views/mus/screen_mus.cc
diff --git a/ui/views/mus/screen_mus.cc b/ui/views/mus/screen_mus.cc
index b80f68961b513f90ae505fdbba37d2d89193574a..642c4b73bd3a473a8aced2780375b45b2dab2c20 100644
--- a/ui/views/mus/screen_mus.cc
+++ b/ui/views/mus/screen_mus.cc
@@ -2,6 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// This has to be before any other includes, else default is picked up.
+// See base/logging for details on this.
+#define NOTIMPLEMENTED_POLICY 5

[James Cook, 2016/08/24 23:15:37]

Could this live in the build file? Or do you only want it for this particular
file?

[sky, 2016/08/24 23:25:55]

Yes, if I add to build file it impacts all of views, which I don't think we
want.

+
 #include "ui/views/mus/screen_mus.h"
 
 #include "services/shell/public/cpp/connection.h"
@@ -12,11 +16,6 @@
 #include "ui/views/mus/screen_mus_delegate.h"
 #include "ui/views/mus/window_manager_frame_values.h"
 
-#ifdef NOTIMPLEMENTED
-#undef NOTIMPLEMENTED
-#define NOTIMPLEMENTED() DVLOG(1) << "notimplemented"
-#endif
-
 namespace mojo {
 
 template <>