Bug 857334 - Fix crash in mozilla::a11y::XULTextFieldAccessible::FrameSelection
Bug 857334 - Fix crash in mozilla::a11y::XULTextFieldAccessible::FrameSelection, r=tbsaunde
Bug 886128 - Fix various clang warnings and some potential bugs in nonstandard configurations.  r=nnethercote,terrence.

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extra : rebase_source : 0d833ecc9879f5d9fd0a28f9b4eca7793d01aa40