Revert "cache SkImage::Info calculation in lazypixelref"

This reverts commit a2537480710aa10b9ab9f8aec98538b79539f47e.

git-svn-id: http://skia.googlecode.com/svn/trunk/src@11894 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed