Spelling fixes e to i.

runtime/lib/object_patch.dart

 // Copyright (c) 2012, 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.
 
 int _getHash(obj) native "Object_getHash";
 int _setHash(obj, hash) native "Object_setHash";
 
 @patch
 class Object {
   // The VM has its own implementation of equals.
   @patch
   bool operator ==(other) native "Object_equals";
 
   // Helpers used to implement hashCode. If a hashCode is used, we remember it
   // in a weak table in the VM (32 bit) or in the header of the object (64
   // bit). A new hashCode value is calculated using a random number generator.
   static final _hashCodeRnd = new Random();
 
-  // Shared static implentation for hashCode and _identityHashCode.
+  // Shared static implementation for hashCode and _identityHashCode.
   static int _objectHashCode(obj) {
     var result = _getHash(obj);
     if (result == 0) {
       // We want the hash to be a Smi value greater than 0.
       do {
         result = _hashCodeRnd.nextInt(0x40000000);
       } while (result == 0);
       _setHash(obj, result);
     }
     return result;
@@ skipping 42 matching lines @@
       native "Object_as";
 
   static _symbolMapToStringMap(Map<Symbol, dynamic> map) {
     var result = new Map<String, dynamic>();
     map.forEach((Symbol key, value) {
       result[internal.Symbol.getName(key)] = value;
     });
     return result;
   }
 }