Increase ref while running BoundedWaitFor,  which prevents the Driver from being cleaned up while it is being waited.
Increase ref while running BoundedWaitFor,  which prevents the Driver from
being cleaned up while it is being waited.

hashashin/src,VersoBit/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,hashashin/src,hashashin/src,VersoBit/mod_pagespeed,hashashin/src,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,VersoBit/mod_pagespeed,hashashin/src,hashashin/src,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,VersoBit/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed