Remove List.copyFrom from VM and from tests. It was removed from the List interface in r941.

tests/corelib/growable_object_array_vm_test.dart

 // Copyright (c) 2011, 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("GrowableObjectArrayTest.dart");
 #import("dart:coreimpl");
 
 class GrowableObjectArrayTest {
 
   static void testOutOfBoundForIndexOf() {
@@ skipping 20 matching lines @@
     Expect.equals(4, array.indexOf(1, 1));
     Expect.equals(-1, array.lastIndexOf(4, 2));
 
     Expect.equals(5, array.length);
 
     testMap(int n) => n + 2;
 
     GrowableObjectArray mapped = array.map(testMap);
 
     Expect.equals(5, mapped.length);
-   
+
     Expect.equals(3, mapped[0]);
     Expect.equals(4, mapped[1]);
     Expect.equals(5, mapped[2]);
     Expect.equals(6, mapped[3]);
     Expect.equals(3, mapped[4]);
 
     Expect.equals(5, array.length);
-   
+
     Expect.equals(1, array[0]);
     Expect.equals(2, array[1]);
     Expect.equals(3, array[2]);
     Expect.equals(4, array[3]);
     Expect.equals(1, array[4]);
 
     bool found = false;
     array = array.filter(bool _(e) {
       return found || !(found = (e == 1));
     });
@@ skipping 23 matching lines @@
     Expect.equals(5, array.length);
     array = array.filter((e) => e != 1 );
     Expect.equals(1, array.length);
     Expect.equals(2, array[0]);
 
     // Check correct copy order/
     array = new GrowableObjectArray<int>();
     for (int i = 0; i < 10; i++) {
       array.add(i);
     }
-    array.copyFrom(array, 7, 8, 2);
+    array.setRange(8, 2, array, 7);
     Expect.equals(7, array[7]);
     Expect.equals(7, array[8]);
     Expect.equals(8, array[9]);
-    array.copyFrom(array, 5, 4, 2);
+    array.setRange(4, 2, array, 5);
     Expect.equals(5, array[4]);
     Expect.equals(6, array[5]);
     Expect.equals(6, array[6]);
 
     testOutOfBoundForIndexOf();
 
     GrowableObjectArray<int> h = new GrowableObjectArray<int>.withCapacity(10);
     List constArray = const [0, 1, 2, 3, 4];
     h.addAll(constArray);
     Expect.equals(5, h.length);
   }
 }
 
 main() {
   GrowableObjectArrayTest.testMain();
 }