Centralize decision about whether to do bicubic filtering, and fallbacks to mip, bilerp, or nearest [email protected], [email protected] Author: [email protected] Review URL: https://codereview.chromium.org/282293004 git-svn-id: http://skia.googlecode.com/svn/trunk/src@14809 2bbb7eff-a529-9590-31e7-b0007b416f81