Fix the false-positive detection of commit errors

chrome/browser/sync/engine/syncer_proto_util.h

Index: chrome/browser/sync/engine/syncer_proto_util.h
diff --git a/chrome/browser/sync/engine/syncer_proto_util.h b/chrome/browser/sync/engine/syncer_proto_util.h
index faf1900437ba46b051e4e346c5705d3a53c6133f..4a95cd9a0ea4e61668b886719d7c0feb493c6490 100644
--- a/chrome/browser/sync/engine/syncer_proto_util.h
+++ b/chrome/browser/sync/engine/syncer_proto_util.h
@@ -9,6 +9,7 @@
 #include <string>
 
 #include "base/gtest_prod_util.h"
+#include "chrome/browser/sync/protocol/sync_protocol_error.h"
 #include "chrome/browser/sync/syncable/blob.h"
 #include "chrome/browser/sync/syncable/model_type.h"
 
@@ -42,7 +43,7 @@ class SyncerProtoUtil {
   // Returns true on success.  Also handles store birthday verification:
   // session->status()->syncer_stuck_ is set true if the birthday is
   // incorrect.  A false value will always be returned if birthday is bad.
-  static bool PostClientToServerMessage(
+  static SyncOperationResult PostClientToServerMessage(
       const ClientToServerMessage& msg,
       sync_pb::ClientToServerResponse* response,
       sessions::SyncSession* session);