Initialize the matrix used when recursing from a GPU image filter -> raster image filter.

BUG=
R=bsalomon@google.com

Review URL: https://codereview.chromium.org/5636027884503040

git-svn-id: http://skia.googlecode.com/svn/trunk@10029 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed