DevTools: migrate InspectorView to tabbed view location.

third_party/WebKit/Source/devtools/front_end/layers/LayersPanel.js

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 160 matching lines @@
     /**
      * @override
      * @param {!Object} snapshotData
      * @return {!Promise}
      */
     reveal: function(snapshotData)
     {
         if (!(snapshotData instanceof WebInspector.DeferredLayerTree))
             return Promise.reject(new Error("Internal error: not a WebInspector.DeferredLayerTree"));
         var panel = /** @type {!WebInspector.LayersPanel} */ (self.runtime.sharedInstance(WebInspector.LayersPanel));
-        WebInspector.inspectorView.setCurrentPanel(panel);
-        panel._showLayerTree(/** @type {!WebInspector.DeferredLayerTree} */ (snapshotData));
-        return Promise.resolve();
+        return WebInspector.viewManager.showView("layers").then(() => panel._showLayerTree(/** @type {!WebInspector.DeferredLayerTree} */ (snapshotData)));
     }
 }