Bug 878929: Optimize custom menu's list view. [r=mfinkle] [r=wesj]

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extra : rebase_source : 58caf961c4d7a0521224508b44a605c466968543
Bug 878929: Fix robocop testShareLink to pass in the ListView. [r=mfinkle]

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extra : rebase_source : be564d2726e31a5c1b6bd19575fe23db6f7e11bf