@Override
    protected void onNewIntent(Intent intent) {
        startChromeCustomTab(intent);
    }
This is the Activity that the Notification takes the user to.

The Notification sends the user to this activity with an EXTRA_URL. Use it to call Chrome Custom
Tabs. The user will return to it when coming back from the web content.
demos/src/main/java/org/chromium/customtabsdemos/NotificationParentActivity.java