Make it possible to share the embedder's dart sources for the vmservice

runtime/bin/vmservice_impl.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.
 
 #include "bin/vmservice_impl.h"
 
 #include "include/dart_api.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 97 matching lines @@
   if (Dart_IsError(port_arg)) {
     VmService::SetServerIPAndPort("", 0);
     Dart_ExitScope();
     return;
   }
   int64_t port = DartUtils::GetInt64ValueCheckRange(port_arg, 0, 65535);
   VmService::SetServerIPAndPort(ip_chars, port);
   Dart_ExitScope();
 }
 
+
+static void Shutdown(Dart_NativeArguments args) {
+  // NO-OP.
+}
+
 struct VmServiceIONativeEntry {
   const char* name;
   int num_arguments;
   Dart_NativeFunction function;
 };
 
 
 static VmServiceIONativeEntry _VmServiceIONativeEntries[] = {
   {"VMServiceIO_NotifyServerState", 2, NotifyServerState},
+  {"VMServiceIO_Shutdown", 0, Shutdown },
 };
 
 
 static Dart_NativeFunction VmServiceIONativeResolver(Dart_Handle name,
                                                      int num_arguments,
                                                      bool* auto_setup_scope) {
   const char* function_name = NULL;
   Dart_Handle result = Dart_StringToCString(name, &function_name);
   ASSERT(!Dart_IsError(result));
   ASSERT(function_name != NULL);
@@ skipping 213 matching lines @@
   Dart_Handle source = GetSource(url_string);
   if (Dart_IsError(source)) {
     return source;
   }
   return Dart_LoadSource(library, url, source, 0, 0);
 }
 
 
 }  // namespace bin
 }  // namespace dart