It's not like NFL coaches think of the betting line as they're in the game -- at least, we hope they don't -- but one decision made by San Francisco head coach Jim Harbaugh late in the 49ers' 13-6 Thursday night win over the Seattle Seahawks might have some serious betting implications. The game's line, which had been as high as 9.5 in San Francisco's favor, moved down to 7.5 by game time. And as it turned out, Harbaugh turned down a chance to make those bettors happy. With 56 seconds left in the game, and the Seahawks at their own 4-yard line with fourth-and17, guard Paul McQuistan was penalized for a chop block. Referee Walt Anderson called for a safety as the penalty was in the end zone, but as Seattle quarterback Russell Wilson had thrown what turned out to be a 16-yard pass to receiver Ben Obomanu, Harbaugh wanted to measure for the first down and decline the penalty and the subsequent safety if Obomanu's forward progress didn't take him over the first-down marker. So, when Anderson's crew decreed that Obomanu came up short, Harbaugh declined the penalty, and the 49ers took over at the Seattle 20-yard line. 49ers quarterback Alex Smith took two kneeldowns, and the 49ers...