Move Index and IndexStore implementations into Engine.

pkg/analyzer/lib/src/index/store/collection.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library index.store.collection;
+library engine.src.index.store.collection;
 
 import 'dart:collection';
 import 'dart:typed_data';
 
 
 /**
  * A hash map with `List<int>` keys and [int] values.
  */
 class IntArrayToIntMap {
   final Map<Int32List, int> map = new HashMap<Int32List, int>(equals:
       _intArrayEquals, hashCode: _intArrayHashCode);
 
   /**
    * Returns the value for the given [key] or null if [key] is not in the map.
    */
-  int operator[](List<int> key) {
+  int operator [](List<int> key) {
     Int32List typedKey = _getTypedKey(key);
     return map[typedKey];
   }
 
   /**
    * Associates the [key] with the given [value].
    *
    * If the key was already in the map, its associated value is changed.
    * Otherwise the key-value pair is added to the map.
    */
-  void operator[]=(List<int> key, int value) {
+  void operator []=(List<int> key, int value) {
     Int32List typedKey = _getTypedKey(key);
     map[typedKey] = value;
   }
 
   /**
    * Returns an [Int32List] version of the given `List<int>` key.
    */
   static Int32List _getTypedKey(List<int> key) {
     if (key is Int32List) {
       return key;
@@ skipping 64 matching lines @@
    * not in the map.
    */
   List<int> get(int key) {
     List<int> values = _map[key];
     if (values == null) {
       values = <int>[];
     }
     return values;
   }
 }