- Represent strings internally in UTF-16 format, this makes it

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/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/exceptions.h"
@@ skipping 369 matching lines @@
 }
 
 
 RawTwoByteString* SnapshotReader::NewTwoByteString(intptr_t len) {
   ALLOC_NEW_OBJECT_WITH_LEN(TwoByteString,
                             object_store()->two_byte_string_class(),
                             len);
 }
 
 
-RawFourByteString* SnapshotReader::NewFourByteString(intptr_t len) {
-  ALLOC_NEW_OBJECT_WITH_LEN(FourByteString,
-                            object_store()->four_byte_string_class(),
-                            len);
-}
-
-
 RawTypeArguments* SnapshotReader::NewTypeArguments(intptr_t len) {
   ALLOC_NEW_OBJECT_WITH_LEN(TypeArguments,
                             Object::type_arguments_class(),
                             len);
 }
 
 
 RawTokenStream* SnapshotReader::NewTokenStream(intptr_t len) {
   ASSERT(kind_ == Snapshot::kFull);
   ASSERT(isolate()->no_gc_scope_depth() != 0);
@@ skipping 770 matching lines @@
 
 
 void MessageWriter::WriteMessage(const Object& obj) {
   ASSERT(kind() == Snapshot::kMessage);
   WriteObject(obj.raw());
   UnmarkAll();
 }
 
 
 }  // namespace dart