Merge to XFA: Fix a leak in CJBig2_CachePair.

TBR=jbreiden@google.com

Review URL: https://codereview.chromium.org/1346043003 .

(cherry picked from commit b6b336a0a1849526f66c49588daa2ccdd09d42cd)

Review URL: https://codereview.chromium.org/1365813004 .
1 file changed