import changes from `dev' branch of rmottola/Arctic-Fox:

- Bug 1183882, properly implement wrapper caching on PushMessageData, r… =nsm (e7d35916e0)
- Bug 1199491 - Use channel->ascynOpen2 in netwerk/base/nsURIChecker (r=sicking,jduell) (41f7f67827)
- Bug 1137151: Mark destructor of |STSThreadPoolListener| as protected, r=mcmanus (7a628f8ad2)
- spacing (996692bb4e)
- Bug 1170794 - Improve the length check of the input in nsUnicode*::GetMaxLength, r=dveditz (0694822115)
- Bug 1003731 - Removal of transliteration. r=hsivonen (d58e9ece29)
- Bug 1199491 - Use channel->ascynOpen2 in netwerk/base (r=sicking) (ad3975a6a3)
- Bug 1190450 - TP shield shows up incorrectly when pressing back while loading a page with tracking elements r=mcmanus (0f2d00810a)
- Bug 1173860: Null check on sGlobalEntryTables. r=mcmanus (0bf7b8b32f)
- missing bit of Bug 1183209 patch 3 (597a812070)
- Bug 1200729 - Recompute FrameLayerBuilder item visibility if dirty region changes. r=mwoodrow (a353e69bcf)

gfx/layers/client/ClientPaintedLayer.cpp

@@ -87,7 +87,7 @@ ClientPaintedLayer::PaintThebes()
     ClientManager()->GetPaintedLayerCallback()(this,
                                               ctx,
                                               iter.mDrawRegion,
-                                              nullptr,
+                                              iter.mDrawRegion,
                                               state.mClip,
                                               state.mRegionToInvalidate,
                                               ClientManager()->GetPaintedLayerCallbackData());