Add getVersion and setLibraryDebuggable RPCs to the service protocol.

runtime/observatory/lib/service_common.dart

 // Copyright (c) 2014, 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.
 
 library service_common;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:typed_data';
 
@@ skipping 58 matching lines @@
                void onMessage(dynamic data),
                void onError(),
                void onClose());
   bool get isOpen;
   void send(dynamic data);
   void close();
   Future<ByteData> nonStringToByteData(dynamic data);
 }
 
 /// A [CommonWebSocketVM] communicates with a Dart VM over a CommonWebSocket.
-/// The Dart VM can be embedded in Chromium or standalone. In the case of
-/// Chromium, we make the service requests via the Chrome Remote Debugging
-/// Protocol.
+/// The Dart VM can be embedded in Chromium or standalone.
 abstract class CommonWebSocketVM extends VM {
   final Completer _connected = new Completer();
   final Completer _disconnected = new Completer<String>();
   final WebSocketVMTarget target;
   final Map<String, _WebSocketRequest> _delayedRequests =
         new Map<String, _WebSocketRequest>();
   final Map<String, _WebSocketRequest> _pendingRequests =
       new Map<String, _WebSocketRequest>();
   int _requestSerial = 0;
   bool _hasInitiatedConnect = false;
@@ skipping 227 matching lines @@
     if (request.method != 'getTagProfile' &&
         request.method != 'getIsolateMetric' &&
         request.method != 'getVMMetric') {
       Logger.root.info(
           'GET [${serial}] ${request.method}(${request.params}) from ${target.networkAddress}');
     }
     // Send message.
     _webSocket.send(message);
   }
 }