[DevTools] Introduce DOM capability.

third_party/WebKit/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 {!WebInspector.TargetManager} targetManager
@@ skipping 18 matching lines @@
 }
 
 /**
  * @enum {number}
  */
 WebInspector.Target.Capability = {
     Browser: 1,
     JS: 2,
     Network: 4,
     Worker: 8,
+    DOM: 16
 }
 
 WebInspector.Target._nextId = 1;
 
 WebInspector.Target.prototype = {
     /**
      * @return {number}
      */
     id: function()
     {
@@ skipping 79 matching lines @@
 
     /**
      * @return {boolean}
      */
     hasWorkerCapability: function()
     {
         return this.hasAllCapabilities(WebInspector.Target.Capability.Worker);
     },
 
     /**
+     * @return {boolean}
+     */
+    hasDOMCapability: function()
+    {
+        return this.hasAllCapabilities(WebInspector.Target.Capability.DOM);
+    },
+
+    /**
      * @return {?WebInspector.Target}
      */
     parentTarget: function()
     {
         return this._parentTarget;
     },
 
     _onDisconnect: function()
     {
         this._targetManager.removeTarget(this);
@@ skipping 97 matching lines @@
     {
         var target = /** @type {!WebInspector.Target} */ (event.data);
         if (target !== this._target)
             return;
         this.dispose();
         WebInspector.targetManager.removeEventListener(WebInspector.TargetManager.Events.TargetDisposed, this._targetDisposed, this);
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }