Mandoline UI Process: Update namespaces and file names

components/mus/server_view.cc

Index: components/mus/server_view.cc
diff --git a/components/mus/server_view.cc b/components/mus/server_view.cc
index 42520a34bf91fc4514a8a6f1244cbe8f235125ed..48782348e9e29414b26bf313173e3d81f1956f51 100644
--- a/components/mus/server_view.cc
+++ b/components/mus/server_view.cc
@@ -13,7 +13,7 @@
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/surfaces/surfaces_type_converters.h"
 
-namespace view_manager {
+namespace mus {
 
 namespace {
 
@@ -312,4 +312,4 @@ void ServerView::RemoveImpl(ServerView* view) {
   children_.erase(std::find(children_.begin(), children_.end(), view));
 }
 
-}  // namespace view_manager
+}  // namespace mus