sync: Remove UpdateProgress and related code

sync/sessions/session_state.cc

Index: sync/sessions/session_state.cc
diff --git a/sync/sessions/session_state.cc b/sync/sessions/session_state.cc
index f5d1709ed631695aeff7fcc346b34dbd51896788..a08b093c9e616fc0993e2c72c930f18125bae493 100644
--- a/sync/sessions/session_state.cc
+++ b/sync/sessions/session_state.cc
@@ -16,63 +16,6 @@ using std::vector;
 namespace syncer {
 namespace sessions {
 
-UpdateProgress::UpdateProgress() {}
-
-UpdateProgress::~UpdateProgress() {}
-
-void UpdateProgress::AddVerifyResult(const VerifyResult& verify_result,
-                                     const sync_pb::SyncEntity& entity) {
-  verified_updates_.push_back(std::make_pair(verify_result, entity));
-}
-
-void UpdateProgress::AddAppliedUpdate(const UpdateAttemptResponse& response,
-    const syncable::Id& id) {
-  applied_updates_.push_back(std::make_pair(response, id));
-}
-
-std::vector<AppliedUpdate>::iterator UpdateProgress::AppliedUpdatesBegin() {
-  return applied_updates_.begin();
-}
-
-std::vector<VerifiedUpdate>::const_iterator
-UpdateProgress::VerifiedUpdatesBegin() const {
-  return verified_updates_.begin();
-}
-
-std::vector<AppliedUpdate>::const_iterator
-UpdateProgress::AppliedUpdatesEnd() const {
-  return applied_updates_.end();
-}
-
-std::vector<VerifiedUpdate>::const_iterator
-UpdateProgress::VerifiedUpdatesEnd() const {
-  return verified_updates_.end();
-}
-
-int UpdateProgress::SuccessfullyAppliedUpdateCount() const {
-  int count = 0;
-  for (std::vector<AppliedUpdate>::const_iterator it =
-       applied_updates_.begin();
-       it != applied_updates_.end();
-       ++it) {
-    if (it->first == SUCCESS)
-      count++;
-  }
-  return count;
-}
-
-// Returns true if at least one update application failed due to a conflict
-// during this sync cycle.
-bool UpdateProgress::HasConflictingUpdates() const {
-  std::vector<AppliedUpdate>::const_iterator it;
-  for (it = applied_updates_.begin(); it != applied_updates_.end(); ++it) {
-    if (it->first != SUCCESS) {
-      return true;
-    }
-  }
-  return false;
-}
-
 PerModelSafeGroupState::PerModelSafeGroupState() {
 }