update for coding style, remove explicit floats

BUG=skia:
R=reed@google.com

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/174683002

git-svn-id: http://skia.googlecode.com/svn/trunk@13528 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed