Revert of Mandoline UI Process: Update namespaces and file names

components/mus/access_policy.h

Index: components/mus/access_policy.h
diff --git a/components/mus/access_policy.h b/components/mus/access_policy.h
index 7537d30abe488b64f3cef70886f7bd667060af41..ca9f5bbdb21dec9ba937ae418d6f17c290356341 100644
--- a/components/mus/access_policy.h
+++ b/components/mus/access_policy.h
@@ -6,9 +6,9 @@
 #define COMPONENTS_MUS_ACCESS_POLICY_H_
 
 #include "components/mus/ids.h"
-#include "components/mus/public/interfaces/mus_constants.mojom.h"
+#include "components/mus/public/interfaces/view_manager_constants.mojom.h"
 
-namespace mus {
+namespace view_manager {
 
 class ServerView;
 
@@ -54,6 +54,6 @@
       const ServerView* focused) = 0;
 };
 
-}  // namespace mus
+}  // namespace view_manager
 
 #endif  // COMPONENTS_MUS_ACCESS_POLICY_H_