Move findElementsByName() into shared analyzer/element_search.dart file.

pkg/analyzer/test/utils.dart

Index: pkg/analyzer/test/utils.dart
diff --git a/pkg/analyzer/test/utils.dart b/pkg/analyzer/test/utils.dart
index 3a2e229692c6f1d8e716c7a894b9b4a5db6c5a8e..ed733b81e5c6fc9e707cdae9701ebf78c5bec4d0 100644
--- a/pkg/analyzer/test/utils.dart
+++ b/pkg/analyzer/test/utils.dart
@@ -6,31 +6,21 @@ library analyzer.test.utils;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
-import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/generated/resolver.dart' show TypeProvider;
+import 'package:analyzer/src/generated/testing/element_search.dart';
 import 'package:front_end/src/base/source.dart';
 import 'package:test/test.dart';
 
 /**
- * Search the [unit] for the [Element]s with the given [name].
- */
-List<Element> findElementsByName(CompilationUnit unit, String name) {
-  var finder = new _ElementsByNameFinder(name);
-  unit.accept(finder);
-  return finder.elements;
-}
-
-/**
  * Search the [unit] for the [LocalVariableElement] with the given [name].
  * Fail if there is not exactly one such variable.
  */
 LocalVariableElement findLocalVariable(CompilationUnit unit, String name) {
-  var finder = new _ElementsByNameFinder(name);
-  unit.accept(finder);
+  List<Element> elements = findElementsByName(unit, name);
   List<Element> localVariables =
-      finder.elements.where((e) => e is LocalVariableElement).toList();
+      elements.where((e) => e is LocalVariableElement).toList();
   expect(localVariables, hasLength(1));
   return localVariables[0];
 }
@@ -333,17 +323,3 @@ class TypeAssertions {
         expect(t, expected);
       };
 }
-
-class _ElementsByNameFinder extends RecursiveAstVisitor<Null> {
-  final String name;
-  final List<Element> elements = [];
-
-  _ElementsByNameFinder(this.name);
-
-  @override
-  visitSimpleIdentifier(SimpleIdentifier node) {
-    if (node.name == name && node.inDeclarationContext()) {
-      elements.add(node.staticElement);
-    }
-  }
-}