Mandoline UI Process: Update namespaces and file names

components/mus/surfaces/surfaces_scheduler.h

Index: components/mus/surfaces/surfaces_scheduler.h
diff --git a/components/mus/surfaces/surfaces_scheduler.h b/components/mus/surfaces/surfaces_scheduler.h
index 86f05c360f27815f67eb32de862d9ede926ea570..bffd9ddb17bf9ab3e9ba1c926066a4e0a06d586b 100644
--- a/components/mus/surfaces/surfaces_scheduler.h
+++ b/components/mus/surfaces/surfaces_scheduler.h
@@ -14,7 +14,7 @@ class Display;
 class RenderingStatsInstrumentation;
 }
 
-namespace surfaces {
+namespace mus {
 
 // TODO(brianderson): Reconcile with DisplayScheduler crbug.com/476676
 class SurfacesScheduler : public cc::SchedulerClient {
@@ -53,6 +53,6 @@ class SurfacesScheduler : public cc::SchedulerClient {
   DISALLOW_COPY_AND_ASSIGN(SurfacesScheduler);
 };
 
-}  // namespace surfaces
+}  // namespace mus
 
 #endif  // COMPONENTS_MUS_SURFACES_SURFACES_SCHEDULER_H_