Sentence:  ... looking at Mr. George Osborne's pale interesting countenance, and those beautiful black, curling, shining whiskers, which the young gentleman himself regarded with no ordinary <WSD>complacency</WSD>, she thought in her little heart that in His Majesty's army, or in the wide world, there never was such a face or such a hero. 
Meaning of the word marked with <WSD> tags:  A feeling of contented self-satisfaction, especially when unaware of upcoming trouble.