Add corpus test for fixing terminal field checking

BUG=chromium:440132
R=dsinclair@chromium.org, tsepez@chromium.org

Review URL: https://codereview.chromium.org/2560553003 .
2 files changed
tree: ef69bce60f2aae6d51bdf60fd5c404c42b72acf6
  1. fx/
  2. pdfium/
  3. third_party/
  4. xfa_specific/
  5. codereview.settings
  6. LICENSE