With dependent bugs fixed, docshell/shistory is warning-free. Filing this bug on marking it as FAIL_ON_WARNINGS.
Created attachment 709990 [details] [diff] [review] fix Try run: https://tbpl.mozilla.org/?tree=Try&rev=969320d20e98
Attachment #709990 - Flags: review?(bugs)
Status: ASSIGNED → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla21
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