VS2013 doesn't like ExceptionMessages::formatNumber's templating.

BUG=270033
NOTRY=true

Review URL: https://codereview.chromium.org/171513014

git-svn-id: svn://svn.chromium.org/blink/trunk@167526 bbb929c8-8fbe-4397-9dbb-9b2b20218538