/// <summary>Opens a window of the given type with the given title and URL.</summary>
public static PowerToolsWindow OpenWindow(System.Type type, string title, string url)
{
// Show existing window instance. If one doesn't exist, make one.
PowerToolsWindow window = EditorWindow.GetWindow(type) as PowerToolsWindow;
// Start editor svc:
EditorWebAPI.Setup();
// Give it a title:
#if PRE_UNITY5_3
window.title = title;
#else
GUIContent t = new GUIContent();
t.text = title;
window.titleContent = t;
#endif
// Open the PowerTools window:
window.WebView = WebHelpers.Open(window, url);
// Cache the size:
window.Width = window.position.width;
window.Height = window.position.height;
return(window);
}