Rename rustc_middle::lint::LevelSource to LevelAndSource

compiler/rustc_lint/src/levels.rs

@@ -10,7 +10,7 @@ use rustc_hir as hir;
 use rustc_hir::def_id::{CrateNum, LOCAL_CRATE};
 use rustc_hir::{intravisit, HirId};
 use rustc_middle::hir::map::Map;
-use rustc_middle::lint::LevelSource;
+use rustc_middle::lint::LevelAndSource;
 use rustc_middle::lint::LintDiagnosticBuilder;
 use rustc_middle::lint::{
     struct_lint_level, LintLevelMap, LintLevelSets, LintLevelSource, LintSet,
@@ -106,9 +106,9 @@ impl<'s> LintLevelsBuilder<'s> {
     /// diagnostic with no change to `specs`.
     fn insert_spec(
         &mut self,
-        specs: &mut FxHashMap<LintId, LevelSource>,
+        specs: &mut FxHashMap<LintId, LevelAndSource>,
         id: LintId,
-        (level, src): LevelSource,
+        (level, src): LevelAndSource,
     ) {
         // Setting to a non-forbid level is an error if the lint previously had
         // a forbid level. Note that this is not necessarily true even with a