DevTools: Get rid of WebInspector.panels

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

 var initialize_InspectorTest = function() {
 
 var results = [];
 var resultsSynchronized = false;
 
 function consoleOutputHook(messageType)
 {
     InspectorTest.addResult(messageType + ": " + Array.prototype.slice.call(arguments, 1));
 }
 
@@ skipping 243 matching lines @@
 
 InspectorTest.reloadPage = function(callback, scriptToEvaluateOnLoad, scriptPreprocessor)
 {
     InspectorTest._innerReloadPage(false, callback, scriptToEvaluateOnLoad, scriptPreprocessor);
 }
 
 InspectorTest._innerReloadPage = function(hardReload, callback, scriptToEvaluateOnLoad, scriptPreprocessor)
 {
     InspectorTest._pageLoadedCallback = InspectorTest.safeWrap(callback);
 
-    if (WebInspector.panels.network)
-        WebInspector.panels.network._reset();
+    if (WebInspector.inspectorView.panel("network"))
+        WebInspector.inspectorView.panel("network")._reset();
     PageAgent.reload(hardReload, scriptToEvaluateOnLoad, scriptPreprocessor);
 }
 
 InspectorTest.pageLoaded = function()
 {
     resultsSynchronized = false;
     InspectorTest.addResult("Page reloaded.");
     if (InspectorTest._pageLoadedCallback) {
         var callback = InspectorTest._pageLoadedCallback;
         delete InspectorTest._pageLoadedCallback;
@@ skipping 488 matching lines @@
     evaluateInWebInspector: function(callId, script)
     {
         window.opener.postMessage(["evaluateInWebInspector", callId, script], "*");
     },
 
     display: function() { }
 }
 
 if (!window.testRunner && window.opener)
     window.testRunner = new StandaloneTestRunnerStub();