SyncFS: Introduce SyncFileSystemBackend

webkit/browser/fileapi/syncable/local_file_sync_context_unittest.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 "webkit/browser/fileapi/syncable/local_file_sync_context.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
 #include "base/platform_file.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/blob/mock_blob_url_request_context.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation_runner.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 #include "webkit/browser/fileapi/syncable/canned_syncable_file_system.h"
 #include "webkit/browser/fileapi/syncable/file_change.h"
 #include "webkit/browser/fileapi/syncable/local_file_change_tracker.h"
 #include "webkit/browser/fileapi/syncable/sync_file_metadata.h"
+#include "webkit/browser/fileapi/syncable/sync_file_system_backend.h"
 #include "webkit/browser/fileapi/syncable/sync_status_code.h"
 #include "webkit/browser/fileapi/syncable/syncable_file_system_util.h"
 
 #define FPL FILE_PATH_LITERAL
 
 using fileapi::FileSystemContext;
 using fileapi::FileSystemURL;
 using fileapi::FileSystemURLSet;
 
 // This tests LocalFileSyncContext behavior in multi-thread /
@@ skipping 185 matching lines @@
 
   sync_context_ =
       new LocalFileSyncContext(ui_task_runner_.get(), io_task_runner_.get());
 
   // Initializes file_system using |sync_context_|.
   EXPECT_EQ(SYNC_STATUS_OK,
             file_system.MaybeInitializeFileSystemContext(sync_context_.get()));
 
   // Make sure everything's set up for file_system to be able to handle
   // syncable file system operations.
-  EXPECT_TRUE(file_system.file_system_context()->sync_context() != NULL);
-  EXPECT_TRUE(file_system.file_system_context()->change_tracker() != NULL);
-  EXPECT_EQ(sync_context_.get(),
-            file_system.file_system_context()->sync_context());
+  EXPECT_TRUE(file_system.backend()->sync_context() != NULL);
+  EXPECT_TRUE(file_system.backend()->change_tracker() != NULL);
+  EXPECT_EQ(sync_context_.get(), file_system.backend()->sync_context());
 
   // Calling MaybeInitialize for the same context multiple times must be ok.
   EXPECT_EQ(SYNC_STATUS_OK,
             file_system.MaybeInitializeFileSystemContext(sync_context_.get()));
-  EXPECT_EQ(sync_context_.get(),
-            file_system.file_system_context()->sync_context());
+  EXPECT_EQ(sync_context_.get(), file_system.backend()->sync_context());
 
   // Opens the file_system, perform some operation and see if the change tracker
   // correctly captures the change.
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.OpenFileSystem());
 
   const FileSystemURL kURL(file_system.URL("foo"));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.CreateFile(kURL));
 
   FileSystemURLSet urls;
   file_system.GetChangedURLsInTracker(&urls);
@@ skipping 435 matching lines @@
 
   // Make sure kDir and kFile are created by ApplyRemoteChange.
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.FileExists(kFile));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.DirectoryExists(kDir));
 
   sync_context_->ShutdownOnUIThread();
   file_system.TearDown();
 }
 
 }  // namespace sync_file_system