Bug 1076454 - Intermittent failing test, TEST-UNEXPECTED-FAIL | /builds/slave/test/gaia/apps/system/test/marionette/browser_chrome_share_web_result_test.js | Browser Chrome - Share Web Result share web result via e-mail

https://bugzilla.mozilla.org/show_bug.cgi?id=1076454
TC run: https://treeherder.allizom.org/ui/#/jobs?repo=gaia&revision=d874b943cfd1e7a62a4efe499f49aec69eb56722