Changes related to tooling::applyAllReplacements interface change in D21601.

Summary:
this patch contains changes related to the interface change from
http://reviews.llvm.org/D21601. Only submit this patch after D21601 is
submitted.

Reviewers: djasper, klimek

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D21602

llvm-svn: 275063