Fix leak of GrGLTexID when its owning GrGLTexture has been abandoned.

BUG=260708
R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/19580003

git-svn-id: http://skia.googlecode.com/svn/trunk@10132 2bbb7eff-a529-9590-31e7-b0007b416f81
4 files changed