Deprecate old "isPotentiallyMutated..." API.

pkg/analyzer/lib/src/generated/resolver.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.generated.resolver;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 12602 matching lines @@
     if (parent is Label) {
       return null;
     }
     // Prepare VariableElement.
     Element element = nameScope.lookup(node, definingLibrary);
     if (element is! VariableElement) {
       return null;
     }
     // Must be local or parameter.
     ElementKind kind = element.kind;
-    if (kind == ElementKind.LOCAL_VARIABLE) {
+    if (kind == ElementKind.LOCAL_VARIABLE || kind == ElementKind.PARAMETER) {
       node.staticElement = element;
-      LocalVariableElementImpl variableImpl =
-          element as LocalVariableElementImpl;
       if (node.inSetterContext()) {
-        variableImpl.markPotentiallyMutatedInScope();
         _localVariableInfo.potentiallyMutatedInScope.add(element);
         if (element.enclosingElement != _enclosingFunction) {
-          variableImpl.markPotentiallyMutatedInClosure();
           _localVariableInfo.potentiallyMutatedInClosure.add(element);
         }
       }
-    } else if (kind == ElementKind.PARAMETER) {
-      node.staticElement = element;
-      if (node.inSetterContext()) {
-        ParameterElementImpl parameterImpl = element as ParameterElementImpl;
-        parameterImpl.markPotentiallyMutatedInScope();
-        _localVariableInfo.potentiallyMutatedInScope.add(element);
-        // If we are in some closure, check if it is not the same as where
-        // variable is declared.
-        if (_enclosingFunction != null &&
-            (element.enclosingElement != _enclosingFunction)) {
-          parameterImpl.markPotentiallyMutatedInClosure();
-          _localVariableInfo.potentiallyMutatedInClosure.add(element);
-        }
-      }
     }
     return null;
   }
 
   @override
   Object visitTypeName(TypeName node) {
     return null;
   }
 }
 
@@ skipping 143 matching lines @@
     nonFields.add(node);
     return null;
   }
 
   @override
   Object visitNode(AstNode node) => node.accept(TypeResolverVisitor_this);
 
   @override
   Object visitWithClause(WithClause node) => null;
 }