Sync: Add DeviceInfo's ChangeProcessor

sync/internal_api/base_transaction.cc

Index: sync/internal_api/base_transaction.cc
diff --git a/sync/internal_api/base_transaction.cc b/sync/internal_api/base_transaction.cc
index 11a8ca4321a0257211a68de25198f1ea7baac568..cbfb246ed6ad6eb38a7f721f2877eab3833a71a7 100644
--- a/sync/internal_api/base_transaction.cc
+++ b/sync/internal_api/base_transaction.cc
@@ -12,19 +12,20 @@ namespace syncer {
 
 //////////////////////////////////////////////////////////////////////////
 // BaseTransaction member definitions
-BaseTransaction::BaseTransaction(UserShare* share) {
+BaseTransaction::BaseTransaction(UserShare* share)
+    : user_share_(share) {
   DCHECK(share && share->directory.get());
-  directory_ = share->directory.get();
 }
+
 BaseTransaction::~BaseTransaction() {
 }
 
 Cryptographer* BaseTransaction::GetCryptographer() const {
-  return directory_->GetCryptographer(this->GetWrappedTrans());
+  return GetDirectory()->GetCryptographer(this->GetWrappedTrans());
 }
 
 ModelTypeSet BaseTransaction::GetEncryptedTypes() const {
-  return directory_->GetNigoriHandler()->GetEncryptedTypes(
+  return GetDirectory()->GetNigoriHandler()->GetEncryptedTypes(
       this->GetWrappedTrans());
 }