New bigint implementation in the vm.

runtime/lib/date.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 <time.h>
 
 #include "vm/bootstrap_natives.h"
 
-#include "vm/bigint_operations.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/os.h"
 
 namespace dart {
 
 static int32_t kMaxAllowedSeconds = 2100000000;
 
 DEFINE_NATIVE_ENTRY(DateNatives_timeZoneName, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(
@@ skipping 23 matching lines @@
   int adjustment = OS::GetLocalTimeZoneAdjustmentInSeconds();
   return Integer::New(adjustment);
 }
 
 
 DEFINE_NATIVE_ENTRY(DateNatives_currentTimeMillis, 0) {
   return Integer::New(OS::GetCurrentTimeMillis());
 }
 
 }  // namespace dart