DevTools: Get rid of WebInspector.panels

LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html

Index: LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html
diff --git a/LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html b/LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html
index b234f8bbe6c7da9e734ff4fec1778e4e3143667c..b35f0b0712859af05d76be2e462bd580c427406b 100644
--- a/LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html
+++ b/LayoutTests/inspector/elements/styles/add-new-rule-with-style-after-body.html
@@ -29,7 +29,7 @@ function test()
     {
         // Click "Add new rule".
         document.getElementById("add-style-button-test-id").click();
-        var section = WebInspector.panels.elements.sidebarPanes.styles.sections[0][2];
+        var section = WebInspector.inspectorView.panel("elements").sidebarPanes.styles.sections[0][2];
         section._selectorElement.textContent = "inspected";
         section._selectorElement.dispatchEvent(InspectorTest.createKeyEvent("Enter"));
         InspectorTest.runAfterPendingDispatches(step2);
@@ -37,7 +37,7 @@ function test()
 
     function step2()
     {
-        var section = WebInspector.panels.elements.sidebarPanes.styles.sections[0][2];
+        var section = WebInspector.inspectorView.panel("elements").sidebarPanes.styles.sections[0][2];
         var newProperty = section.addNewBlankProperty();
         newProperty.startEditing();
         newProperty.nameElement.textContent = "color";