Replaced TextureCacheEntry with GrTexture* and a back pointer to GrResourceEntry (in GrTexture)

http://codereview.appspot.com/6460089/



git-svn-id: http://skia.googlecode.com/svn/trunk@5122 2bbb7eff-a529-9590-31e7-b0007b416f81
16 files changed