Fix issue 15134: use fast setRange for setAll in TypedDataBase.

runtime/lib/typed_data.dart

 // Copyright (c) 2013, 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.
 
 // patch classes for Int8List ..... Float64List and ByteData implementations.
 
 patch class Int8List {
   /* patch */ factory Int8List(int length) {
     return new _Int8Array(length);
   }
@@ skipping 562 matching lines @@
           this[i] = temp_buffer[i - start];
         }
         return;
       }
     }
     IterableMixinWorkaround.setRangeList(this, start,
                                          end, from, skipCount);
   }
 
   void setAll(int index, Iterable iterable) {
-    IterableMixinWorkaround.setAllList(this, index, iterable);
+    final end = iterable.length + index;
+    setRange(index, end, iterable);
   }
 
   void fillRange(int start, int end, [fillValue]) {
     IterableMixinWorkaround.fillRangeList(this, start, end, fillValue);
   }
 
 
   // Method(s) implementing Object interface.
 
   String toString() {
@@ skipping 2805 matching lines @@
     return value;
   }
   return object;
 }
 
 
 void _throwRangeError(int index, int length) {
   String message = "$index must be in the range [0..$length)";
   throw new RangeError(message);
 }