Pass a real IContextSource to ProtectedTitlesPager

Change-Id: I4ed191bddb70bb7c0b7cc234862d5a73d1f2d0a5
SpecialProtectedTitles: Use Config instead of globals

Change-Id: I5d11a642026e3771528c6627864083e63b68f9b2
Merge changes I5d11a642,I4ed191bd

* changes:
  SpecialProtectedTitles: Use Config instead of globals
  Pass a real IContextSource to ProtectedTitlesPager