Remove unecessary test for an undefined timer ID before clearTimeout.

BUG=303491
TBR=ganetsky@chromium.org

Review URL: https://codereview.chromium.org/171233018
1 file changed
tree: 956f4830059c081224705869403e1796f98c0ff1
  1. elements/
  2. codereview.settings
  3. OWNERS