Keep sync tasks alive as long as it's not finished

chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc

Index: chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc
diff --git a/chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc b/chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc
index 678e7ce158e870f382ff64fa5ca707f759829959..5718f8f143aba9403d2bc50fa55ffb6f69480246 100644
--- a/chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc
+++ b/chrome/browser/chromeos/drive/sync/entry_update_performer_unittest.cc
@@ -550,5 +550,62 @@ TEST_F(EntryUpdatePerformerTest, UpdateEntry_CreateDirectory) {
   EXPECT_TRUE(server_entry->IsDirectory());
 }
 
+TEST_F(EntryUpdatePerformerTest, ParentNeedsToBeSynced) {
+  // Create new directories locally.
+  const base::FilePath kPath(FILE_PATH_LITERAL("drive/root/New Directory"));
+  const base::FilePath kChildPath(
+      FILE_PATH_LITERAL("drive/root/New Directory/Sub Directory"));
+
+  ResourceEntry parent;
+  EXPECT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(kPath.DirName(), &parent));
+
+  ResourceEntry entry;
+  entry.set_parent_local_id(parent.local_id());
+  entry.set_title(kPath.BaseName().AsUTF8Unsafe());
+  entry.mutable_file_info()->set_is_directory(true);
+  entry.set_metadata_edit_state(ResourceEntry::DIRTY);
+
+  FileError error = FILE_ERROR_FAILED;
+  std::string local_id;
+  base::PostTaskAndReplyWithResult(
+      blocking_task_runner(),
+      FROM_HERE,
+      base::Bind(&internal::ResourceMetadata::AddEntry,
+                 base::Unretained(metadata()),
+                 entry,
+                 &local_id),
+      google_apis::test_util::CreateCopyResultCallback(&error));
+  test_util::RunBlockingPoolTask();
+  EXPECT_EQ(FILE_ERROR_OK, error);
+
+  ResourceEntry child;
+  child.set_parent_local_id(local_id);
+  child.set_title(kChildPath.BaseName().AsUTF8Unsafe());
+  child.mutable_file_info()->set_is_directory(true);
+  child.set_metadata_edit_state(ResourceEntry::DIRTY);
+
+  error = FILE_ERROR_FAILED;
+  std::string child_local_id;
+  base::PostTaskAndReplyWithResult(
+      blocking_task_runner(),
+      FROM_HERE,
+      base::Bind(&internal::ResourceMetadata::AddEntry,
+                 base::Unretained(metadata()),
+                 child,
+                 &child_local_id),
+      google_apis::test_util::CreateCopyResultCallback(&error));
+  test_util::RunBlockingPoolTask();
+  EXPECT_EQ(FILE_ERROR_OK, error);
+
+  // Update the child. This should return a specific error code.
+  error = FILE_ERROR_FAILED;
+  performer_->UpdateEntry(
+      child_local_id,
+      ClientContext(USER_INITIATED),
+      google_apis::test_util::CreateCopyResultCallback(&error));
+  test_util::RunBlockingPoolTask();
+  EXPECT_EQ(FILE_ERROR_PARENT_NEEDS_TO_BE_SYNCED, error);
+}
+
 }  // namespace internal
 }  // namespace drive