Inspect UI: Commit port forwarding changes after removing the rule.

chrome/browser/resources/inspect/inspect.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var MIN_VERSION_TAB_CLOSE = 25;
 var MIN_VERSION_TARGET_ID = 26;
 var MIN_VERSION_NEW_TAB = 29;
 var MIN_VERSION_TAB_ACTIVATE = 30;
 var WEBRTC_SERIAL = 'WEBRTC';
 
@@ skipping 730 matching lines @@
         e.preventDefault();
     }
   });
 
   var lineDelete = document.createElement('div');
   lineDelete.className = 'close-button';
   lineDelete.addEventListener('click', function() {
     var newSelection = line.nextElementSibling;
     line.parentNode.removeChild(line);
     selectLine(newSelection);
+    commitPortForwardingConfig(false);
   });
   line.appendChild(lineDelete);
 
   line.addEventListener('click', selectLine.bind(null, line));
   line.addEventListener('focus', selectLine.bind(null, line));
 
   checkEmptyLine(line);
 
   return line;
 }
@@ skipping 168 matching lines @@
         deviceSection.querySelectorAll('.browser'), clearBrowserPorts);
   }
 
   Array.prototype.forEach.call(
       document.querySelectorAll('.device'), clearPorts);
 }
 
 document.addEventListener('DOMContentLoaded', onload);
 
 window.addEventListener('hashchange', onHashChange);