Parts. Deprecate also LibraryOrAugmentationElementImpl.scope

Missed it in the previous CL.

Change-Id: Ib887b8423ead76907c7302036a3d2089ba85dbfb
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/388720
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: scheglov

pkg/analyzer/lib/src/dart/analysis/library_analyzer.dart

@@ -157,7 +157,7 @@ class LibraryAnalyzer {
         ResolutionVisitor(
           unitElement: unitElement,
           errorListener: errorListener,
-          nameScope: _libraryElement.scope,
+          nameScope: unitElement.scope,
           strictInference: _analysisOptions.strictInference,
           strictCasts: _analysisOptions.strictCasts,
           elementWalker: ElementWalker.forCompilationUnit(
@@ -174,7 +174,7 @@ class LibraryAnalyzer {
       // TODO(scheglov): We don't need to do this for the whole unit.
       parsedUnit.accept(ScopeResolverVisitor(
           _libraryElement, file.source, _typeProvider, errorListener,
-          nameScope: _libraryElement.scope));
+          nameScope: unitElement.scope));
 
       FlowAnalysisHelper flowAnalysisHelper = FlowAnalysisHelper(
           _testingData != null, _libraryElement.featureSet,

pkg/analyzer/lib/src/dart/element/element.dart

@@ -6396,6 +6396,7 @@ abstract class LibraryOrAugmentationElementImpl extends ElementImpl
     return definingCompilationUnit.libraryImportPrefixes;
   }
 
+  @Deprecated('Use CompilationUnitElement.scope')
   @override
   LibraryFragmentScope get scope {
     return definingCompilationUnit.scope;