Convert //components/mus from scoped_ptr to std::unique_ptr

components/mus/ws/server_window_surface.cc

Index: components/mus/ws/server_window_surface.cc
diff --git a/components/mus/ws/server_window_surface.cc b/components/mus/ws/server_window_surface.cc
index 3484200da9adb0f3e1e3a9749bfa2ffb1d48137e..f4a500aa783f4dca055f548d46d965164bc0eea4 100644
--- a/components/mus/ws/server_window_surface.cc
+++ b/components/mus/ws/server_window_surface.cc
@@ -97,7 +97,8 @@ ServerWindow* ServerWindowSurface::window() {
   return manager_->window();
 }
 
-scoped_ptr<cc::CompositorFrame> ServerWindowSurface::ConvertCompositorFrame(
+std::unique_ptr<cc::CompositorFrame>
+ServerWindowSurface::ConvertCompositorFrame(
     const mojom::CompositorFramePtr& input) {
   referenced_window_ids_.clear();
   return ConvertToCompositorFrame(input, this);