Convert String and List to abstract classes.

runtime/lib/array_patch.dart

Index: runtime/lib/array_patch.dart
diff --git a/runtime/lib/array_patch.dart b/runtime/lib/array_patch.dart
index 502723685bd0961699da040bc0d59ba884059f6c..df3e9400522dcbf399ffc0577f1761883b9589a3 100644
--- a/runtime/lib/array_patch.dart
+++ b/runtime/lib/array_patch.dart
@@ -4,7 +4,7 @@
 
 // Note that optimizing compiler depends on the algorithm which returns
 // a GrowableObjectArray if length is null, otherwise returns fixed size array.
-patch class ListImplementation<E> {
+patch class List<E> {
   /* patch */ factory List([int length = null]) {

[srdjan, 2012/09/28 17:52:22]

Shouldn't the 'patch' be enabled here, since:

external factory List([int length]);

[Lasse Reichstein Nielsen, 2012/09/30 20:46:43]

I was informed that the patch parser in the VM does not support "patch" on class
members. The patch class member overrides the original class member in all
cases. The /* patch */ is used for documentation.

     if (length === null) {
       return new GrowableObjectArray<E>();
@@ -12,12 +12,4 @@ patch class ListImplementation<E> {
       return new ObjectArray<E>(length);
     }
   }
-
-  /* patch */ static _from(Iterable other) {
-    GrowableObjectArray list = new GrowableObjectArray();
-    for (final e in other) {
-      list.add(e);
-    }
-    return list;
-  }
 }