Detecting and fixing stringprintf.h format bugs

sync/engine/model_type_worker.cc

Index: sync/engine/model_type_worker.cc
diff --git a/sync/engine/model_type_worker.cc b/sync/engine/model_type_worker.cc
index 7e67dc87278410dff83e7e83bfd1e31c4c47877e..2ffb33d38d4c1b742def0e4f3d8b33f23bcb3f59 100644
--- a/sync/engine/model_type_worker.cc
+++ b/sync/engine/model_type_worker.cc
@@ -178,9 +178,9 @@ SyncerError ModelTypeWorker::ProcessGetUpdatesResponse(
   }
 
   DVLOG(1) << ModelTypeToString(type_) << ": "
-           << base::StringPrintf(
-                  "Delivering %zd applicable and %zd pending updates.",
-                  response_datas.size(), pending_updates.size());
+           << base::StringPrintf("Delivering %" PRIuS " applicable and %" PRIuS
+                                 " pending updates.",
+                                 response_datas.size(), pending_updates.size());
 
   // Forward these updates to the model thread so it can do the rest.
   model_type_processor_->OnUpdateReceived(data_type_state_, response_datas,
@@ -411,9 +411,9 @@ void ModelTypeWorker::OnCryptographerUpdated() {
 
   if (new_encryption_key || response_datas.size() > 0) {
     DVLOG(1) << ModelTypeToString(type_) << ": "
-             << base::StringPrintf(
-                    "Delivering encryption key and %zd decrypted updates.",
-                    response_datas.size());
+             << base::StringPrintf("Delivering encryption key and %" PRIuS
+                                   " decrypted updates.",
+                                   response_datas.size());
     model_type_processor_->OnUpdateReceived(data_type_state_, response_datas,
                                             UpdateResponseDataList());
   }