Chromium, Google Chrome, Firefox integration for Plasma

 Plasma Browser Integration is an extension for common browsers
 to closer fit into the Plasma shell. This includes:
    - Media Controls
        Lets you control video and audio players in websites using the
        Media Controller plasmoid, media keys on your keyboard, and
        even remotely from your phone.
    - Send links via KDE Connect
        Adds a context menu entry to links enabling you to send them
        to your phone and other paired devices.
    - Show downloads in and control them from Plasma’s notification area.
    - Find browser tabs in the Run Command (Alt-Space) window
        Make sure the "Browser Tabs" module is enabled in Plasma Search
        (KRunner) settings.