Use Element instead of Symbol.

compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java

Index: compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
diff --git a/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java b/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
index e3bdcf7476f4ec489f176d7f1883f015628f0d92..50d1557ea04d3ce3e110c1c0fbad24fe1307baa3 100644
--- a/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
+++ b/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
@@ -18,7 +18,7 @@ import com.google.dart.compiler.ast.DartTypeParameter;
 import java.util.List;
 
 /**
- * Look for  DartIdentifier nodes in the tree whose symbols are null.  They should all either
+ * Look for  DartIdentifier nodes in the tree whose elements are null.  They should all either
  * be resolved, or marked as an unresolved element.
  */
 public class ResolverAuditVisitor extends ASTVisitor<Void> {
@@ -27,7 +27,7 @@ public class ResolverAuditVisitor extends ASTVisitor<Void> {
     root.accept(visitor);
     List<String> results = visitor.getFailures();
     if (results.size() > 0) {
-      StringBuilder out = new StringBuilder("Missing symbols found in AST\n");
+      StringBuilder out = new StringBuilder("Missing elements found in AST\n");
       Joiner.on("\n").appendTo(out, results);
       ResolverTestCase.fail(out.toString());
     }
@@ -48,8 +48,8 @@ public class ResolverAuditVisitor extends ASTVisitor<Void> {
 
   @Override
   public Void visitIdentifier(DartIdentifier node) {
-    if (node.getSymbol() == null) {
-      failures.add("Identifier: " + node.getTargetName() + " has null symbol @ ("
+    if (node.getElement() == null) {
+      failures.add("Identifier: " + node.getName() + " has null element @ ("
           + node.getSourceLine() + ":" + node.getSourceColumn() + ")");
     }
     return null;