Delete mus surfaces hit testing

components/mus/ws/window_finder.h

Index: components/mus/ws/window_finder.h
diff --git a/components/mus/ws/window_finder.h b/components/mus/ws/window_finder.h
index 470e7350ee6b95d2582b917755d599c5b23bf4b7..0b587b956ef16a716d0e286d01d686d304d39aa5 100644
--- a/components/mus/ws/window_finder.h
+++ b/components/mus/ws/window_finder.h
@@ -25,13 +25,11 @@ class ServerWindow;
 // value.
 ServerWindow* FindDeepestVisibleWindowForEvents(
     ServerWindow* root_window,
-    cc::SurfaceId display_surface_id,
     gfx::Point* location);
 
 // Retrieve the transform to the provided |window|'s coordinate space from the
 // root.
-gfx::Transform GetTransformToWindow(cc::SurfaceId display_surface_id,
-                                    ServerWindow* window);
+gfx::Transform GetTransformToWindow(ServerWindow* window);
 
 }  // namespace ws
 }  // namespace mus