[Devtools] NetworkLogView now uses NetworkLog as source of truth.

third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js

 if (window.GCController)
     GCController.collectAll();
 
 var initialize_InspectorTest = function() {
 Protocol.InspectorBackend.Options.suppressRequestErrors = true;
 var results = [];
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
@@ skipping 539 matching lines @@
     var promise = new Promise(x => fulfill = x);
     InspectorTest.reloadPage(fulfill, scriptToEvaluateOnLoad);
     return promise;
 }
 
 InspectorTest._innerReloadPage = function(hardReload, callback, scriptToEvaluateOnLoad)
 {
     InspectorTest._pageLoadedCallback = InspectorTest.safeWrap(callback);
 
     if (UI.panels.network)
-        UI.panels.network._networkLogView.reset();
+        NetworkLog.networkLog.reset();
     InspectorTest.resourceTreeModel.reloadPage(hardReload, scriptToEvaluateOnLoad);
 }
 
 InspectorTest.pageLoaded = function()
 {
     InspectorTest.addResult("Page reloaded.");
     if (InspectorTest._pageLoadedCallback) {
         var callback = InspectorTest._pageLoadedCallback;
         delete InspectorTest._pageLoadedCallback;
         callback();
@@ skipping 720 matching lines @@
     _output("[page] " + text);
 }
 
 function _output(result)
 {
     if (!outputElement)
         createOutputElement();
     outputElement.appendChild(document.createTextNode(result));
     outputElement.appendChild(document.createElement("br"));
 }