Simplify the VM's typed_data constructors.

runtime/vm/symbols.h

 // 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.
 
 #ifndef VM_SYMBOLS_H_
 #define VM_SYMBOLS_H_
 
 #include "vm/growable_array.h"
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
@@ skipping 316 matching lines @@
   V(_instanceOfSmi, "_instanceOfSmi")                                          \
   V(_instanceOfNum, "_instanceOfNum")                                          \
   V(_instanceOfInt, "_instanceOfInt")                                          \
   V(_instanceOfDouble, "_instanceOfDouble")                                    \
   V(_instanceOfString, "_instanceOfString")                                    \
   V(_as, "_as")                                                                \
   V(GetterPrefix, "get:")                                                      \
   V(ClosurizePrefix, "get:#")                                                  \
   V(SetterPrefix, "set:")                                                      \
   V(InitPrefix, "init:")                                                       \
-  V(_New, "_new")                                                              \
   V(Index, "index")                                                            \
   V(DartScheme, "dart:")                                                       \
   V(DartSchemePrivate, "dart:_")                                               \
   V(DartNativeWrappers, "dart:nativewrappers")                                 \
   V(DartNativeWrappersLibName, "dart.nativewrappers")                          \
   V(DartCore, "dart:core")                                                     \
   V(DartCollection, "dart:collection")                                         \
   V(DartDeveloper, "dart:developer")                                           \
   V(DartInternal, "dart:_internal")                                            \
   V(DartIsolate, "dart:isolate")                                               \
@@ skipping 322 matching lines @@
   friend class SnapshotReader;
   friend class SnapshotWriter;
   friend class ApiMessageReader;
 
   DISALLOW_COPY_AND_ASSIGN(Symbols);
 };
 
 }  // namespace dart
 
 #endif  // VM_SYMBOLS_H_