DevTools: allow reattaching main target live.

third_party/WebKit/Source/devtools/front_end/devtools.js

 // Copyright 2014 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.
 
 /* eslint-disable indent */
 (function(window) {
 
 // DevToolsAPI ----------------------------------------------------------------
 
 /**
@@ skipping 673 matching lines @@
      * @override
      * @return {boolean}
      */
     isUnderTest: function()
     {
         return DevToolsHost.isUnderTest();
     },
 
     /**
      * @override
+     * @param {function()} callback
+     */
+    reattach: function(callback)
+    {
+        DevToolsAPI.sendMessageToEmbedder("reattach", [], callback);
+    },
+
+    /**
+     * @override
      */
     readyForTest: function()
     {
         DevToolsAPI.sendMessageToEmbedder("readyForTest", [], null);
     },
 
     /**
      * @override
      * @param {boolean} discoverUsbDevices
      * @param {boolean} portForwardingEnabled
@@ skipping 476 matching lines @@
 
 if (!DOMTokenList.prototype.__originalDOMTokenListToggle) {
     DOMTokenList.prototype.__originalDOMTokenListToggle = DOMTokenList.prototype.toggle;
     DOMTokenList.prototype.toggle = function(token, force)
     {
         if (arguments.length === 1)
             force = !this.contains(token);
         return this.__originalDOMTokenListToggle(token, !!force);
     }
 }