Add onNewLockPixels, that returns rowbytes and relies on info in pixelref

This reverts commit 890a6ec633c1f54891104a072a8964b4c2c81af9.

BUG=
R=scroggo@google.com

Review URL: https://codereview.chromium.org/110593003

git-svn-id: http://skia.googlecode.com/svn/trunk@12883 2bbb7eff-a529-9590-31e7-b0007b416f81
15 files changed