[DevTools] No NetworkManager and NetworkLog for v8only mode

third_party/WebKit/Source/devtools/front_end/resources/ServiceWorkersView.js

 // Copyright (c) 2015 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.VBox}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.ServiceWorkersView = function()
@@ skipping 19 matching lines @@
     targetAdded: function(target)
     {
         if (this._target || !target.serviceWorkerManager)
             return;
         this._target = target;
         this._manager = this._target.serviceWorkerManager;
 
         this._toolbar.appendToolbarItem(WebInspector.NetworkConditionsSelector.createOfflineToolbarCheckbox());
         var forceUpdate = new WebInspector.ToolbarCheckbox(WebInspector.UIString("Update on reload"), WebInspector.UIString("Force update Service Worker on page reload"), this._manager.forceUpdateOnReloadSetting());
         this._toolbar.appendToolbarItem(forceUpdate);
-        var fallbackToNetwork = new WebInspector.ToolbarCheckbox(WebInspector.UIString("Bypass for network"), WebInspector.UIString("Bypass Service Worker and load resources from the network"), target.networkManager.bypassServiceWorkerSetting());
-        this._toolbar.appendToolbarItem(fallbackToNetwork);
-        this._toolbar.appendSpacer();
+        var networkManager = this._target && WebInspector.NetworkManager.fromTarget(this._target);
+        if (networkManager) {
+            var fallbackToNetwork = new WebInspector.ToolbarCheckbox(WebInspector.UIString("Bypass for network"), WebInspector.UIString("Bypass Service Worker and load resources from the network"), networkManager.bypassServiceWorkerSetting());
+            this._toolbar.appendToolbarItem(fallbackToNetwork);
+            this._toolbar.appendSpacer();
+        }
         this._showAllCheckbox = new WebInspector.ToolbarCheckbox(WebInspector.UIString("Show all"), WebInspector.UIString("Show all Service Workers regardless of the origin"));
         this._showAllCheckbox.inputElement.addEventListener("change", this._updateSectionVisibility.bind(this), false);
         this._toolbar.appendToolbarItem(this._showAllCheckbox);
 
         for (var registration of this._manager.registrations().values())
             this._updateRegistration(registration);
 
         this._manager.addEventListener(WebInspector.ServiceWorkerManager.Events.RegistrationUpdated, this._registrationUpdated, this);
         this._manager.addEventListener(WebInspector.ServiceWorkerManager.Events.RegistrationDeleted, this._registrationDeleted, this);
         this._manager.addEventListener(WebInspector.ServiceWorkerManager.Events.RegistrationErrorAdded, this._registrationErrorAdded, this);
@@ skipping 350 matching lines @@
         return contentElement;
     },
 
     _dispose: function()
     {
         this._linkifier.dispose();
         if (this._pendingUpdate)
             clearTimeout(this._pendingUpdate);
     }
 }