DevTools: Refactor linkifyRawLocation to use fallback url

Source/devtools/front_end/sdk/Target.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.
  */
 
 /**
  * @constructor
  * @extends {Protocol.Agents}
  * @param {string} name
@@ skipping 191 matching lines @@
     },
 
     _dispose: function()
     {
         this._weakReference.clear();
         this.debuggerModel.dispose();
         this.networkManager.dispose();
         this.cpuProfilerModel.dispose();
     },
 
+    /**
+     * @return {boolean}
+     */
+    isDetached: function()
+    {
+        return this._connection.isClosed();
+    },
+
     __proto__: Protocol.Agents.prototype
 }
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  * @param {!WebInspector.Target} target
  */
 WebInspector.SDKObject = function(target)
 {
@@ skipping 194 matching lines @@
     /**
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target) { },
 }
 
 /**
  * @type {!WebInspector.TargetManager}
  */
 WebInspector.targetManager = new WebInspector.TargetManager();