Unofficial gardening. Mark extensions-panel as timing out in release as well.
Unofficial gardening. Mark extensions-panel as timing out in release as well.

BUG=246749
TBR=

Review URL: https://codereview.chromium.org/20843003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@155055 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs