In TabHistoryFragment commit is called in show step [1]. However, Lint complains at the caller [2] about missing commit call. To fix this either refactor the show() function to create a new fragment transaction instead of passing it along or add SuppressLint annotation for CommitTransaction. [1] https://dxr.mozilla.org/mozilla-central/source/mobile/android/base/java/org/mozilla/gecko/tabs/TabHistoryFragment.java?case=true&from=TabHistoryFragment.java#125 [2] https://dxr.mozilla.org/mozilla-central/source/mobile/android/base/java/org/mozilla/gecko/BrowserApp.java?from=BrowserAPp.java#615

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