- Improve generated sources:

vm/snapshot_test.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 "include/dart_debugger_api.h"
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
@@ skipping 765 matching lines @@
     serialized_kind = serialized_iterator.CurrentTokenKind();
   }
 
   // Check if we are able to generate the source from the token stream.
   // Rescan this source and compare the token stream to see if they are
   // the same.
   str ^= serialized_tokens.GenerateSource();
   const String& dummy_key = String::Handle(String::New(""));
   Scanner scanner(str, dummy_key);
   const TokenStream& reconstructed_tokens =
-      TokenStream::Handle(TokenStream::New(scanner.GetStream()));
+      TokenStream::Handle(TokenStream::New(scanner.GetStream(), dummy_key));
   expected_iterator.SetCurrentPosition(0);
   TokenStream::Iterator reconstructed_iterator(reconstructed_tokens, 0);
   expected_kind = expected_iterator.CurrentTokenKind();
   Token::Kind reconstructed_kind = reconstructed_iterator.CurrentTokenKind();
   while (expected_kind != Token::kEOS && reconstructed_kind != Token::kEOS) {
     EXPECT_EQ(expected_kind, reconstructed_kind);
     expected_literal ^= expected_iterator.CurrentLiteral();
     actual_literal ^= reconstructed_iterator.CurrentLiteral();
     EXPECT(expected_literal.Equals(actual_literal));
     expected_iterator.Advance();
@@ skipping 765 matching lines @@
   EXPECT(Dart_ErrorHasException(result));
   EXPECT_SUBSTRING("Exception: nulltruefalse1234563.14[]100123456789\n",
                    Dart_GetError(result));
 
   Dart_ExitScope();
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart