DevTools: Get rid of WebInspector.panels

LayoutTests/inspector/timeline/timeline-script-tag-1.html

Index: LayoutTests/inspector/timeline/timeline-script-tag-1.html
diff --git a/LayoutTests/inspector/timeline/timeline-script-tag-1.html b/LayoutTests/inspector/timeline/timeline-script-tag-1.html
index 66e97e2b62cd8a77ed4453add3539f2aaaaed557..e9230def59eff16d405ed653514e7f556a3a1323 100644
--- a/LayoutTests/inspector/timeline/timeline-script-tag-1.html
+++ b/LayoutTests/inspector/timeline/timeline-script-tag-1.html
@@ -35,7 +35,7 @@ function test()
                 var children = [];
                 var skipCategories = { rendering: true, painting: true };
                 for (var i = 0; i < record.children.length; ++i) {
-                    var modelRecord = new WebInspector.TimelineModel.RecordImpl(WebInspector.panels.timeline._model, record.children[i], null);
+                    var modelRecord = new WebInspector.TimelineModel.RecordImpl(WebInspector.inspectorView.panel("timeline")._model, record.children[i], null);
                     if (!skipCategories[WebInspector.TimelineUIUtils.categoryForRecord(modelRecord).name])
                         children.push(record.children[i]);
                 }