Provide an API to dart:developer to control the web server hosting the Service Protocol

sdk/lib/_internal/js_runtime/lib/developer_patch.dart

 // Copyright (c) 2015, 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.
 
 // Patch file for dart:developer library.
 
 import 'dart:_js_helper' show patch, ForceInline;
 import 'dart:_foreign_helper' show JS;
 
 @patch
@@ skipping 87 matching lines @@
 
 @patch
 void _reportTaskEvent(int start,
                       int taskId,
                       String phase,
                       String category,
                       String name,
                       String argumentsAsJson) {
  // TODO.
 }
+
+@patch
+int _getServiceMajorVersion() {
+  return 0;
+}
+
+@patch
+int _getServiceMinorVersion() {
+  return 0;
+}
+
+@patch
+void _getServerInfo(SendPort sp) {
+  sp.send(null);
+}
+
+@patch
+void _webServerControl(SendPort sp, bool enable) {
+  sp.send(null);
+}