Pass logger to memtable rep and TLB page allocation error logged to info logs

Summary:
TLB page allocation errors are now logged to info logs, instead of stderr.
In order to do that, mem table rep's factory functions take a info logger now.

Test Plan: make all check

Reviewers: haobo, igor, yhchiang

Reviewed By: yhchiang

CC: leveldb, yhchiang, dhruba

Differential Revision: https://reviews.facebook.net/D18471

util/vectorrep.cc

@@ -275,7 +275,7 @@ MemTableRep::Iterator* VectorRep::GetIterator() {
 
 MemTableRep* VectorRepFactory::CreateMemTableRep(
     const MemTableRep::KeyComparator& compare, Arena* arena,
-    const SliceTransform*) {
+    const SliceTransform*, Logger* logger) {
   return new VectorRep(compare, arena, count_);
 }
 } // namespace rocksdb