Files.app: Ignore FILE_ERROR_ABORT error when sync update.

chrome/browser/chromeos/drive/sync_client.cc

Index: chrome/browser/chromeos/drive/sync_client.cc
diff --git a/chrome/browser/chromeos/drive/sync_client.cc b/chrome/browser/chromeos/drive/sync_client.cc
index a679f3f8db1684d6b7162ccebbb5982c2e6cd968..9884e7c9c9086e2c798cba86dc58e73ad50f5909 100644
--- a/chrome/browser/chromeos/drive/sync_client.cc
+++ b/chrome/browser/chromeos/drive/sync_client.cc
@@ -397,6 +397,9 @@ void SyncClient::OnUpdateComplete(const std::string& local_id,
     DVLOG(1) << "Updated " << local_id;
   } else {
     switch (error) {
+      case FILE_ERROR_ABORT:
+        // Ignore it because this is caused by user's cancel operations.
+        break;
       case FILE_ERROR_NO_CONNECTION:
         // Add the task again so that we'll retry once the connection is back.
         AddUpdateTaskInternal(ClientContext(BACKGROUND), local_id,