Remove 1/2 pixel offsets for distance field layout.

The 1/2 pixel offsets are for rounding when snapping the glyphs to integer boundaries. Since we're using subpixel layout and sampled textures, we shouldn't snap to integer boundaries.

BUG=skia:2173
R=bungeman@google.com, reed@google.com

Author: jvanverth@google.com

Review URL: https://codereview.chromium.org/298753005

git-svn-id: http://skia.googlecode.com/svn/trunk@14828 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed