Remove Element.getNode() method

compiler/java/com/google/dart/compiler/ast/DartIdentifier.java

Index: compiler/java/com/google/dart/compiler/ast/DartIdentifier.java
diff --git a/compiler/java/com/google/dart/compiler/ast/DartIdentifier.java b/compiler/java/com/google/dart/compiler/ast/DartIdentifier.java
index 11687a7ffba79cc42d40c3e49353f2b6cbf1b30e..8c918e336ab2416095d991ecc272d31b1760ebcc 100644
--- a/compiler/java/com/google/dart/compiler/ast/DartIdentifier.java
+++ b/compiler/java/com/google/dart/compiler/ast/DartIdentifier.java
@@ -5,6 +5,7 @@
 package com.google.dart.compiler.ast;
 
 import com.google.dart.compiler.resolver.Element;
+import com.google.dart.compiler.resolver.NodeElement;
 
 /**
  * Represents a Dart identifier expression.
@@ -12,7 +13,7 @@ import com.google.dart.compiler.resolver.Element;
 public class DartIdentifier extends DartExpression {
 
   private final String name;
-  private Element element;
+  private NodeElement element;
 
   public DartIdentifier(String name) {
     assert name != null;
@@ -24,7 +25,7 @@ public class DartIdentifier extends DartExpression {
   }
 
   @Override
-  public Element getElement() {
+  public NodeElement getElement() {
     return element;
   }
 
@@ -39,7 +40,7 @@ public class DartIdentifier extends DartExpression {
 
   @Override
   public void setElement(Element element) {
-    this.element = (Element) element;
+    this.element = (NodeElement) element;
   }
 
   @Override