Files.app: Add a drive sync error event to the fileBrowserPrivate API.

chrome/browser/chromeos/drive/file_system/operation_test_base.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/drive/file_system/operation_test_base.h"
 
 #include "base/prefs/testing_pref_service.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/drive/change_list_loader.h"
 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
@@ skipping 23 matching lines @@
 void OperationTestBase::LoggingObserver::OnCacheFileUploadNeededByOperation(
     const std::string& local_id) {
   upload_needed_local_ids_.insert(local_id);
 }
 
 void OperationTestBase::LoggingObserver::OnEntryUpdatedByOperation(
     const std::string& local_id) {
   updated_local_ids_.insert(local_id);
 }
 
+void OperationTestBase::LoggingObserver::OnDriveSyncError(
+    DriveSyncErrorType type) {
+  drive_sync_errors_.push_back(type);
+}
+
 OperationTestBase::OperationTestBase() {
 }
 
 OperationTestBase::OperationTestBase(int test_thread_bundle_options)
     : thread_bundle_(test_thread_bundle_options) {
 }
 
 OperationTestBase::~OperationTestBase() {
 }
 
@@ skipping 115 matching lines @@
 FileError OperationTestBase::CheckForUpdates() {
   FileError error = FILE_ERROR_FAILED;
   change_list_loader_->CheckForUpdates(
       google_apis::test_util::CreateCopyResultCallback(&error));
   test_util::RunBlockingPoolTask();
   return error;
 }
 
 }  // namespace file_system
 }  // namespace drive