Like the Elementarist, the Warrior aren't a big present for the available classes in Guild Wars 2. But today he/she was officially announced at guildwars2.com

The warrior is a master of weapons who relies on speed, strength, toughness, and heavy armor to survive in battle. A warrior can shrug off blow after blow to stay in the fight, all the while building up adrenaline to fuel his offense.

You can read the full concept here RPGz.org