Mandoline UI Process: Update namespaces and file names

components/mus/surfaces/surfaces_context_provider_delegate.h

Index: components/mus/surfaces/surfaces_context_provider_delegate.h
diff --git a/components/mus/surfaces/surfaces_context_provider_delegate.h b/components/mus/surfaces/surfaces_context_provider_delegate.h
index ff27f7d7a62acd1863b7c5e4095c45676338c9de..7da78d8242ae2da852abb37dd4f0bc99ea542f74 100644
--- a/components/mus/surfaces/surfaces_context_provider_delegate.h
+++ b/components/mus/surfaces/surfaces_context_provider_delegate.h
@@ -5,7 +5,7 @@
 #ifndef COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_DELEGATE_H_
 #define COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_DELEGATE_H_
 
-namespace surfaces {
+namespace mus {
 
 class SurfacesContextProviderDelegate {
  public:
@@ -15,6 +15,6 @@ class SurfacesContextProviderDelegate {
   virtual ~SurfacesContextProviderDelegate() {}
 };
 
-}  // namespace surfaces
+}  // namespace mus
 
 #endif  // COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_DELEGATE_H_