[DevTools] No NetworkManager and NetworkLog for v8only mode

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 193 matching lines @@
      * @override
      * @param {!WebInspector.Target} target
      */
     targetAdded: function(target)
     {
         if (!target.parentTarget()) {
             target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._mainFrameNavigated, this);
             target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.Load, this._loadEventFired, this);
             target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.DOMContentLoaded, this._domContentLoadedEventFired, this);
         }
-        target.networkLog.requests().forEach(this._appendRequest.bind(this));
+        WebInspector.NetworkLog.fromTarget(target).requests().forEach(this._appendRequest.bind(this));

[dgozman, 2016/06/29 18:37:57]

What if there is no network log for this target?

[eostroukhov-old, 2016/06/29 22:54:20]

My thinking was to let exception be thrown... I changed it to check for null
(both here and below)

     },
 
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target)
     {
         if (!target.parentTarget()) {
             target.resourceTreeModel.removeEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._mainFrameNavigated, this);
@@ skipping 934 matching lines @@
     _mainFrameNavigated: function(event)
     {
         if (!this._recording)
             return;
 
         var frame = /** @type {!WebInspector.ResourceTreeFrame} */ (event.data);
         var loaderId = frame.loaderId;
 
         // Pick provisional load requests.
         var requestsToPick = [];
-        var requests = frame.target().networkLog.requests();
+        var requests = WebInspector.NetworkLog.fromTarget(frame.target()).requests();
         for (var i = 0; i < requests.length; ++i) {
             var request = requests[i];
             if (request.loaderId === loaderId)
                 requestsToPick.push(request);
         }
 
         if (!this._preserveLog) {
             this.reset();
             for (var i = 0; i < requestsToPick.length; ++i)
                 this._appendRequest(requestsToPick[i]);
@@ skipping 1010 matching lines @@
         return false;
     return true;
 }
 
 WebInspector.NetworkLogView.EventTypes = {
     RequestSelected: "RequestSelected",
     SearchCountUpdated: "SearchCountUpdated",
     SearchIndexUpdated: "SearchIndexUpdated",
     UpdateRequest: "UpdateRequest"
 };