Initial implementation of MemoryIndexStoreImpl and IndexContributor.

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java

Index: editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java
diff --git a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java
index 6b42a5184464674fe42bb786ebef04e683c36eb7..4790de918afd6ac65e508ad99456f0a4255f927d 100644
--- a/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java
+++ b/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/index/LocationTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, the Dart project authors.
+ * Copyright (c) 2013, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
@@ -14,18 +14,18 @@
 package com.google.dart.engine.index;
 
 import com.google.dart.engine.EngineTestCase;
-import com.google.dart.engine.element.ElementLocation;
+import com.google.dart.engine.element.ElementProxy;
 
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 public class LocationTest extends EngineTestCase {
   public void test_new() throws Exception {
-    ElementLocation elementLocation = mock(ElementLocation.class);
-    when(elementLocation.toString()).thenReturn("myElement");
+    ElementProxy element = mock(ElementProxy.class);
+    when(element.toString()).thenReturn("myElement");
     // test Location
-    Location location = new Location(elementLocation, 1, 2, null);
-    assertSame(elementLocation, location.getElementLocation());
+    Location location = new Location(element, 1, 2, null);
+    assertSame(element, location.getElement());
     assertEquals(1, location.getOffset());
     assertEquals(2, location.getLength());
     assertSame(null, location.getImportPrefix());
@@ -41,11 +41,12 @@ public class LocationTest extends EngineTestCase {
   }
 
   public void test_new_withPrefix() throws Exception {
-    ElementLocation elementLocation = mock(ElementLocation.class);
-    when(elementLocation.toString()).thenReturn("myElement");
+    ElementProxy element = mock(ElementProxy.class);
+    when(element.toString()).thenReturn("myElement");
+    when(element.toString()).thenReturn("myElement");
     // test Location
-    Location location = new Location(elementLocation, 1, 2, "pref");
-    assertSame(elementLocation, location.getElementLocation());
+    Location location = new Location(element, 1, 2, "pref");
+    assertSame(element, location.getElement());
     assertEquals(1, location.getOffset());
     assertEquals(2, location.getLength());
     assertEquals("pref", location.getImportPrefix());