The dart version of typeddata library has changed to be compatible with the dart2js implementation

runtime/vm/class_finalizer.cc

 // 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.
 
 #include "vm/class_finalizer.h"
 
 #include "vm/code_generator.h"
 #include "vm/flags.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
@@ skipping 3014 matching lines @@
   ASSERT(String::EqualsIgnoringPrivateKey(name, expected_name));
   field ^= fields_array.At(1);
   ASSERT(field.Offset() == TypedDataView::offset_in_bytes_offset());
   name ^= field.name();
   expected_name ^= String::New("_offset");
   ASSERT(String::EqualsIgnoringPrivateKey(name, expected_name));
   field ^= fields_array.At(2);
   ASSERT(field.Offset() == TypedDataView::length_offset());
   name ^= field.name();
   ASSERT(name.Equals("length"));
+
+  // Now verify field offsets of '_ByteBuffer' class.
+  cls = class_table.At(kByteBufferCid);
+  error = cls.EnsureIsFinalized(isolate);
+  ASSERT(error.IsNull());
+  fields_array ^= cls.fields();
+  ASSERT(fields_array.Length() == ByteBuffer::NumberOfFields());
+  field ^= fields_array.At(0);
+  ASSERT(field.Offset() == ByteBuffer::data_offset());
+  name ^= field.name();
+  expected_name ^= String::New("_data");
+  ASSERT(String::EqualsIgnoringPrivateKey(name, expected_name));
 #endif
 }
 
 }  // namespace dart