Different user-agent strings for mobile and desktop devices
Different user-agent strings for mobile and desktop devices

REVIEW: 116624
BUG: 310058

tzapzoor/marble,tucnak/marble,quannt24/marble,quannt24/marble,quannt24/marble,David-Gil/marble-dev,quannt24/marble,probonopd/marble,David-Gil/marble-dev,tzapzoor/marble,tucnak/marble,David-Gil/marble-dev,probonopd/marble,tucnak/marble,David-Gil/marble-dev,probonopd/marble,tucnak/marble,tzapzoor/marble,tzapzoor/marble,tzapzoor/marble,tucnak/marble,quannt24/marble,David-Gil/marble-dev,quannt24/marble,tzapzoor/marble,tzapzoor/marble,probonopd/marble,tzapzoor/marble,David-Gil/marble-dev,tucnak/marble,probonopd/marble,tucnak/marble,probonopd/marble,probonopd/marble,quannt24/marble