Initial implementation of MemoryIndexStoreImpl and IndexContributor.

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java
index 2a666185a552a921f7eb119c08159ea4bf9d9c0c..67a51a1d4e0db50a39224c53d377a9a7e865c226 100644
--- a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionTypeAlias.java
@@ -13,6 +13,7 @@
  */
 package com.google.dart.engine.ast;
 
+import com.google.dart.engine.element.TypeAliasElement;
 import com.google.dart.engine.scanner.Token;
 
 import java.util.List;
@@ -79,6 +80,16 @@ public class FunctionTypeAlias extends TypeAlias {
   }
 
   /**
+   * Return the {@link TypeAliasElement} associated with this type alias, or {@code null} if the AST
+   * structure has not been resolved.
+   * 
+   * @return the {@link TypeAliasElement} associated with this type alias
+   */
+  public TypeAliasElement getElement() {
+    return name != null ? (TypeAliasElement) name.getElement() : null;
+  }
+
+  /**
    * Return the name of the function type being declared.
    * 
    * @return the name of the function type being declared