[DevTools] Move subtargets functionality from ServiceWorker to Target domain.

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.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  */
@@ skipping 206 matching lines @@
 
         /** @type {?WebInspector.WorkerManager} */
         target.workerManager = target.hasWorkerCapability() ? new WebInspector.WorkerManager(target) : null;
         /** @type {!WebInspector.CPUProfilerModel} */
         target.cpuProfilerModel = new WebInspector.CPUProfilerModel(target);
         /** @type {!WebInspector.HeapProfilerModel} */
         target.heapProfilerModel = new WebInspector.HeapProfilerModel(target);
 
         target.tracingManager = new WebInspector.TracingManager(target);
 
-        if (target.hasBrowserCapability())
-            target.serviceWorkerManager = new WebInspector.ServiceWorkerManager(target);
+        if (target.hasBrowserCapability()) {
+            target.subTargetsManager = new WebInspector.SubTargetsManager(target);
+            target.serviceWorkerManager = new WebInspector.ServiceWorkerManager(target, target.subTargetsManager);
+        }
 
         this.addTarget(target);
         return target;
     },
 
     /**
      * @param {!WebInspector.Target} target
      * @return {!Array<!WebInspector.TargetManager.Observer>}
      */
     _observersForTarget: function(target)
@@ skipping 139 matching lines @@
     /**
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target) { },
 }
 
 /**
  * @type {!WebInspector.TargetManager}
  */
 WebInspector.targetManager = new WebInspector.TargetManager();