Move shell service to toplevel shell namespace

ui/views/mus/surface_binding.h

Index: ui/views/mus/surface_binding.h
diff --git a/ui/views/mus/surface_binding.h b/ui/views/mus/surface_binding.h
index 34a1088c5058e003299e642773a520b90313de71..2e04c3d488a305ff7b9c0ba8d518e8a2e4cb13b5 100644
--- a/ui/views/mus/surface_binding.h
+++ b/ui/views/mus/surface_binding.h
@@ -16,14 +16,14 @@ namespace cc {
 class OutputSurface;
 }
 
-namespace mojo {
-class Connector;
-}
-
 namespace mus {
 class Window;
 }
 
+namespace shell {
+class Connector;
+}
+
 namespace views {
 
 // SurfaceBinding is responsible for managing the connections necessary to
@@ -33,7 +33,7 @@ namespace views {
 // connection.
 class VIEWS_MUS_EXPORT SurfaceBinding {
  public:
-  SurfaceBinding(mojo::Connector* connector,
+  SurfaceBinding(shell::Connector* connector,
                  mus::Window* window,
                  mus::mojom::SurfaceType surface_type);
   ~SurfaceBinding();