public boolean mayLaunchUrl(Uri uri, Bundle extras, List<Bundle> otherLikelyBundles) {
        if (mClient == null) return false;

        CustomTabsSession session = getSession();
        if (session == null) return false;

        return session.mayLaunchUrl(uri, extras, otherLikelyBundles);
    }
@see {@link CustomTabsSession#mayLaunchUrl(Uri, Bundle, List)}.
@return true if call to mayLaunchUrl was accepted.
demos/src/main/java/org/chromium/customtabsdemos/CustomTabActivityHelper.java