DevTools: NetworkRequest: convert connectionId to string

Source/devtools/front_end/sdk/NetworkManager.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 181 matching lines @@
         if (response.encodedDataLength >= 0)
             networkRequest.setTransferSize(response.encodedDataLength);
         if (response.headersText)
             networkRequest.responseHeadersText = response.headersText;
         if (response.requestHeaders) {
             networkRequest.setRequestHeaders(this._headersMapToHeadersArray(response.requestHeaders));
             networkRequest.setRequestHeadersText(response.requestHeadersText || "");
         }
 
         networkRequest.connectionReused = response.connectionReused;
-        networkRequest.connectionId = response.connectionId;
+        networkRequest.connectionId = String(response.connectionId);
         if (response.remoteIPAddress)
             networkRequest.setRemoteAddress(response.remoteIPAddress, response.remotePort || -1);
 
         if (response.fromServiceWorker)
             networkRequest.fetchedViaServiceWorker = true;
         else if (response.fromDiskCache)
             networkRequest.cached = true;
         else
             networkRequest.timing = response.timing;
 
@@ skipping 352 matching lines @@
      * @param {!NetworkAgent.LoaderId} loaderId
      * @param {string} url
      * @param {string} documentURL
      * @param {?NetworkAgent.Initiator} initiator
      */
     _createNetworkRequest: function(requestId, frameId, loaderId, url, documentURL, initiator)
     {
         return new WebInspector.NetworkRequest(this._manager._target, requestId, url, documentURL, frameId, loaderId, initiator);
     }
 }