VM-internalize the default Map implementation.

runtime/vm/snapshot.cc

 // Copyright (c) 2012, 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/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
@@ skipping 170 matching lines @@
       pobj_(PassiveObject::Handle(isolate)),
       array_(Array::Handle(isolate)),
       field_(Field::Handle(isolate)),
       str_(String::Handle(isolate)),
       library_(Library::Handle(isolate)),
       type_(AbstractType::Handle(isolate)),
       type_arguments_(TypeArguments::Handle(isolate)),
       tokens_(Array::Handle(isolate)),
       stream_(TokenStream::Handle(isolate)),
       data_(ExternalTypedData::Handle(isolate)),
+      typed_data_(TypedData::Handle(isolate)),
       error_(UnhandledException::Handle(isolate)),
       max_vm_isolate_object_id_(
           Object::vm_isolate_snapshot_object_table().Length()),
       backward_references_(backward_refs) {
 }
 
 
 RawObject* SnapshotReader::ReadObject() {
   // Setup for long jump in case there is an exception while reading.
   LongJumpScope jump;
@@ skipping 2022 matching lines @@
     NoSafepointScope no_safepoint;
     WriteObject(obj.raw());
     UnmarkAll();
   } else {
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart