Updates the corelib to the new default specification for interfaces and new factory syntax

corelib/src/implementation/linked_hash_map.dart

Index: corelib/src/implementation/linked_hash_map.dart
diff --git a/corelib/src/implementation/linked_hash_map.dart b/corelib/src/implementation/linked_hash_map.dart
index be5e4d8db24c4a7b7ccb2e67e4f2fbebf5cc0b37..8c1ebf54b0c377e22683fba6cb9626aa5302f9e7 100644
--- a/corelib/src/implementation/linked_hash_map.dart
+++ b/corelib/src/implementation/linked_hash_map.dart
@@ -28,10 +28,9 @@ class LinkedHashMapImplementation<K extends Hashable, V>
     _list = new DoubleLinkedQueue<KeyValuePair<K, V>>();
   }
 
-  // See issue 417. Works in the vm, fails in dartc and frog.
-  factory LinkedHashMapImplementation.from(Map/*<K, V>*/ other) {
-    Map/*<K, V>*/ result = new LinkedHashMapImplementation/*<K, V>*/();
-    other.forEach((/*K*/ key, /*V*/ value) { result[key] = value; });
+  factory LinkedHashMapImplementation.from(Map<K, V> other) {
+    Map<K, V> result = new LinkedHashMapImplementation<K, V>();
+    other.forEach((K key, V value) { result[key] = value; });
     return result;
   }