Backed out for causing failures on browser_navigator_iframes.js [Backout link](https://hg.mozilla.org/integration/autoland/rev/36e3b3158985210776f82c38013f63646752d63e) [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception&fromchange=71c6a10fe733e70437d71c03dcb30ad14f11e89e&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Cdebug%2Cmochitests%2Cwith%2Csoftware%2Cwebrender%2Cenabled%2Ctest-linux1804-64-qr%2Fdebug-mochitest-browser-chrome-swr%2Cbc4&tochange=179417d824984e822ab29546e0c08ce03384f857&selectedTaskRun=U6KSpabWSWqjds3p1Qj2Kg.0) [Failure log](https://treeherder.mozilla.org/logviewer?job_id=422298772&repo=autoland&lineNumber=11292)
Bug 1842678 Comment 5 Edit History
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Backed out for causing failures on browser_navigator_iframes.js [Backout link](https://hg.mozilla.org/integration/autoland/rev/36e3b3158985210776f82c38013f63646752d63e) [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception&fromchange=71c6a10fe733e70437d71c03dcb30ad14f11e89e&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Cdebug%2Cmochitests%2Cwith%2Csoftware%2Cwebrender%2Cenabled%2Ctest-linux1804-64-qr%2Fdebug-mochitest-browser-chrome-swr%2Cbc4&tochange=179417d824984e822ab29546e0c08ce03384f857&selectedTaskRun=U6KSpabWSWqjds3p1Qj2Kg.0) [Failure log](https://treeherder.mozilla.org/logviewer?job_id=422298772&repo=autoland&lineNumber=11292) Another failure appeared: https://treeherder.mozilla.org/logviewer?job_id=422305785&repo=autoland&lineNumber=3052