Initial implementation of MemoryIndexStoreImpl and IndexContributor.

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

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionDeclaration.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionDeclaration.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionDeclaration.java
index 6d3867d0fd666dda9b88cbec083cb704267d6df4..8edc047f1880eb38c69ee6cd0f3f63dbde3d6f92 100644
--- a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionDeclaration.java
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/ast/FunctionDeclaration.java
@@ -13,6 +13,7 @@
  */
 package com.google.dart.engine.ast;
 
+import com.google.dart.engine.element.FunctionElement;
 import com.google.dart.engine.scanner.Token;
 
 import java.util.List;
@@ -85,6 +86,16 @@ public class FunctionDeclaration extends CompilationUnitMember {
     return visitor.visitFunctionDeclaration(this);
   }
 
+  /**
+   * Return the {@link FunctionElement} associated with this function, or {@code null} if the AST
+   * structure has not been resolved.
+   * 
+   * @return the {@link FunctionElement} associated with this function
+   */
+  public FunctionElement getElement() {
+    return name != null ? (FunctionElement) name.getElement() : null;
+  }
+
   @Override
   public Token getEndToken() {
     return functionExpression.getEndToken();