Eliminate mojo::Shell client lib class

ui/views/mus/surface_context_factory.cc

Index: ui/views/mus/surface_context_factory.cc
diff --git a/ui/views/mus/surface_context_factory.cc b/ui/views/mus/surface_context_factory.cc
index 0d5bfeea57e3f4aa3ca90d08dd30098492bfc2a9..840a16ba539e7aa9933a3b507877a429fb41882a 100644
--- a/ui/views/mus/surface_context_factory.cc
+++ b/ui/views/mus/surface_context_factory.cc
@@ -27,10 +27,10 @@ class FakeReflector : public ui::Reflector {
 }  // namespace
 
 SurfaceContextFactory::SurfaceContextFactory(
-    mojo::Shell* shell,
+    mojo::Connector* connector,
     mus::Window* window,
     mus::mojom::SurfaceType surface_type)
-    : surface_binding_(shell, window, surface_type),
+    : surface_binding_(connector, window, surface_type),
       next_surface_id_namespace_(1u) {}
 
 SurfaceContextFactory::~SurfaceContextFactory() {}