In bug 1373999, we moved frame related code from Selection.cpp to nsFrameSelection.cpp. And AutoPrepareFocusRange is only used inside nsFrameSelection.cpp. It looks like somehow we missed removing the duplicated one in Selection.cpp.
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In bug 1373999, we moved nsFrameSelection from Selection.cpp to nsFrameSelection.cpp. And AutoPrepareFocusRange is only used in nsFrameSelection. It looks like somehow we missed removing the duplicated one in Selection.cpp.
In bug 1373999, we moved nsFrameSelection from Selection.cpp to nsFrameSelection.cpp. And AutoPrepareFocusRange is only used in nsFrameSelection. It looks like somehow we left a duplicated codes in Selection.cpp.