Support DevTools for off-main-thread-fetch

third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.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.
  */
 
 SDK.TargetManager = class extends Common.Object {
   constructor() {
     super();
     /** @type {!Array.<!SDK.Target>} */
@@ skipping 450 matching lines @@
     var childTargets = this._targetManager._targets.filter(child => child.parentTarget() === this._parentTarget);
     for (var child of childTargets)
       this.detachedFromTarget(child.id());
   }
 
   /**
    * @param {string} type
    * @return {number}
    */
   _capabilitiesForType(type) {
-    if (type === 'worker')
-      return SDK.Target.Capability.JS | SDK.Target.Capability.Log;
+    if (type === 'worker') {
+      if (Runtime.experiments.isEnabled('offMainThreadFetch'))
+        return SDK.Target.Capability.JS | SDK.Target.Capability.Log | SDK.Target.Capability.Network;
+      else
+        return SDK.Target.Capability.JS | SDK.Target.Capability.Log;
+    }
     if (type === 'service_worker')
       return SDK.Target.Capability.Log | SDK.Target.Capability.Network | SDK.Target.Capability.Target;
     if (type === 'iframe') {
       return SDK.Target.Capability.Browser | SDK.Target.Capability.DOM | SDK.Target.Capability.JS |
           SDK.Target.Capability.Log | SDK.Target.Capability.Network | SDK.Target.Capability.Target |
           SDK.Target.Capability.Tracing | SDK.Target.Capability.Emulation | SDK.Target.Capability.Input;
     }
     if (type === 'node')
       return SDK.Target.Capability.JS;
     return 0;
@@ skipping 161 matching lines @@
   /**
    * @param {!T} model
    */
   modelRemoved(model) {},
 };
 
 /**
  * @type {!SDK.TargetManager}
  */
 SDK.targetManager = new SDK.TargetManager();