Add package config support to dart:isolate

runtime/bin/gen_snapshot.cc

 // Copyright (c) 2013, 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.
 
 // Generate a snapshot file after loading all the scripts specified on the
 // command line.
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
@@ skipping 937 matching lines @@
     Dart_ExitScope();
     Dart_ShutdownIsolate();
     exit(255);
   }
 }
 
 
 static Dart_Isolate CreateServiceIsolate(const char* script_uri,
                                          const char* main,
                                          const char* package_root,
-                                         const char** package_map,
+                                         const char* package_config,
                                          Dart_IsolateFlags* flags,
                                          void* data,
                                          char** error) {
   Dart_Isolate isolate = NULL;
   isolate = Dart_CreateIsolate(script_uri,
                                main,
                                NULL,
                                NULL,
                                NULL,
                                error);
@@ skipping 119 matching lines @@
 
     // Ensure that we mark all libraries as loaded.
     result = Dart_FinalizeLoading(false);
     CHECK_RESULT(result);
 
     // Prepare for script loading by setting up the 'print' and 'timer'
     // closures and setting up 'package root' for URI resolution.
     result =
         DartUtils::PrepareForScriptLoading(package_root,
                                            NULL,
-                                           NULL,
                                            false,
                                            false,
                                            builtin_lib);
     CHECK_RESULT(result);
     Dart_ExitScope();
     Dart_ExitIsolate();
 
     UriResolverIsolateScope::isolate = isolate;
 
     // Now we create an isolate into which we load all the code that needs to
@@ skipping 43 matching lines @@
   EventHandler::Stop();
   return 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   return dart::bin::main(argc, argv);
 }