(For-try) Divide recursive Copy/Move into multiple async tasks

webkit/fileapi/syncable/local_file_sync_context_unittest.cc

 // Copyright (c) 2012 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 "webkit/fileapi/syncable/local_file_sync_context.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 554 matching lines @@
                       SYNC_FILE_TYPE_DIRECTORY);
   EXPECT_EQ(SYNC_STATUS_OK,
             ApplyRemoteChange(file_system.file_system_context(),
                               change, FilePath(), kDir,
                               SYNC_FILE_TYPE_UNKNOWN));
 
   // This should not happen, but calling ApplyRemoteChange
   // with wrong file type will result in error.
   change = FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE,
                       SYNC_FILE_TYPE_FILE);
-  EXPECT_EQ(SYNC_FILE_ERROR_FAILED,
+  EXPECT_NE(SYNC_STATUS_OK,
             ApplyRemoteChange(file_system.file_system_context(),
                               change, kFilePath1, kDir,
                               SYNC_FILE_TYPE_DIRECTORY));
 
   // Creating a file/directory must have increased the usage more than
   // the size of kTestFileData2.
   new_usage = usage;
   EXPECT_EQ(quota::kQuotaStatusOk,
             file_system.GetUsageAndQuota(&new_usage, &quota));
   EXPECT_GT(new_usage,
             static_cast<int64>(usage + arraysize(kTestFileData2) - 1));
 
   // The changes applied by ApplyRemoteChange should not be recorded in
   // the change tracker.
   urls.clear();
   file_system.GetChangedURLsInTracker(&urls);
   EXPECT_TRUE(urls.empty());
 
   // Make sure all three files/directory exist.
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.FileExists(kFile1));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.FileExists(kFile2));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.DirectoryExists(kDir));
 
   sync_context_->ShutdownOnUIThread();
   file_system.TearDown();
 }
 
 }  // namespace fileapi