Bug 879659 - Followup for unused variable error.
Bug 890782 - Part 1: Return early in UpdateGlyphPositioning if frames are dirty. r=longsonr
Bug 890782 - Part 2: Make NS_STATE_SVG_NONDISPLAY_CHILD a global state bit and rename it. r=jwatt
Bug 890782 - Part 3: Inherit NS_FRAME_IS_NONDISPLAY by default. r=jwatt
Bug 890782 - Reflow SVG text inserted into non-display containers. r=jwatt
Bug 890783 - Reflow non-display SVG text when a child text frame is restyled. r=roc