sync: Remove SyncSourceInfo

sync/engine/commit.cc

Index: sync/engine/commit.cc
diff --git a/sync/engine/commit.cc b/sync/engine/commit.cc
index 5081ab3cb2baee44b909e848b822e0629c47aac3..f478644874b96c2c557cc823ef153dd7aeee337c 100644
--- a/sync/engine/commit.cc
+++ b/sync/engine/commit.cc
@@ -102,6 +102,7 @@ SyncerError BuildAndPostCommitsImpl(ModelTypeSet requested_types,
                                     Syncer* syncer,
                                     sessions::SyncSession* session,
                                     sessions::OrderedCommitSet* commit_set) {
+  ModelTypeSet commit_request_types;
   while (!syncer->ExitRequested()) {
     sync_pb::ClientToServerMessage commit_message;
     ExtensionsActivityMonitor::Records extensions_activity_buffer;
@@ -114,6 +115,10 @@ SyncerError BuildAndPostCommitsImpl(ModelTypeSet requested_types,
       break;
     }
 
+    commit_request_types.PutAll(commit_set->Types());
+    session->mutable_status_controller()->set_commit_request_types(
+        commit_request_types);
+
     sync_pb::ClientToServerResponse commit_response;
 
     DVLOG(1) << "Sending commit message.";