Bug 992670 part 1 - Fix always true assertion condition in nsNavHistoryResult.cpp. r=mak
Bug 992670 part 2 - Make all child insertions/removals non-temporary in nsNavHistoryContainerResultNode. r=mak
Bug 992670 part 3 - Comment out failing assertion, with reference to followup bug. r=mak
Bug 922727: Use static_cast to avoid signed/unsigned comparison build warnings with visitCount in History.cpp. r=mak