[DevTools] Merge Worker domain to Target, migrate clients.

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 199 matching lines @@
 
         if (target.hasJSCapability())
             new WebInspector.DebuggerModel(target);
 
         if (resourceTreeModel) {
             var domModel = new WebInspector.DOMModel(target);
             // TODO(eostroukhov) CSSModel should not depend on RTM
             new WebInspector.CSSModel(target, domModel);
         }
 
-        /** @type {?WebInspector.WorkerManager} */
-        target.workerManager = target.hasWorkerCapability() ? new WebInspector.WorkerManager(target) : null;
+        /** @type {?WebInspector.SubTargetsManager} */
+        target.subTargetsManager = target.hasTargetCapability() ? new WebInspector.SubTargetsManager(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.subTargetsManager = new WebInspector.SubTargetsManager(target);
+        if (target.subTargetsManager && target.hasBrowserCapability())
             target.serviceWorkerManager = new WebInspector.ServiceWorkerManager(target, target.subTargetsManager);
-        }
 
         this.addTarget(target);
         return target;
     },
 
     /**
      * @param {function(function(string)):!Promise<!InspectorBackendClass.Connection>} interceptor
      */
     setMainConnectionInterceptor: function(interceptor)
     {
@@ skipping 158 matching lines @@
     /**
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target) { },
 };
 
 /**
  * @type {!WebInspector.TargetManager}
  */
 WebInspector.targetManager = new WebInspector.TargetManager();