Address review comment

canonicalize_chalk_query -> canonicalize_query_preserving_universes

Author: matthewjasper

compiler/rustc_infer/src/infer/canonical/canonicalizer.rs

@@ -53,7 +53,9 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// example, canonicalizing `&'?0: Trait<'?1>`, where `'?0` is in `U1` and
     /// `'?1` is in `U3` would be canonicalized to have ?0` in `U1` and `'?1`
     /// in `U2`.
-    pub fn canonicalize_chalk_query<V>(
+    ///
+    /// This is used for Chalk integration.
+    pub fn canonicalize_query_preserving_universes<V>(
         &self,
         value: V,
         query_state: &mut OriginalQueryValues<'tcx>,

compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs

@@ -95,7 +95,8 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx> {
                     continue;
                 }
 
-                let canonical_goal = infcx.canonicalize_chalk_query(goal, &mut orig_values);
+                let canonical_goal =
+                    infcx.canonicalize_query_preserving_universes(goal, &mut orig_values);
 
                 match infcx.tcx.evaluate_goal(canonical_goal) {
                     Ok(response) => {