Picasa import: Make NativeMediaFileUtil an AsyncFileUtil

chrome/browser/media_galleries/fileapi/async_file_util_test_helper.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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.
 
-#ifndef WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_
-#define WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_
+#ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ASYNC_FILE_UTIL_TEST_HELPER_H_
+#define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ASYNC_FILE_UTIL_TEST_HELPER_H_
 
-#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/platform_file.h"
+#include "webkit/browser/fileapi/async_file_util.h"
 #include "webkit/browser/fileapi/file_system_file_util.h"
-#include "webkit/storage/webkit_storage_export.h"
-
-namespace base {
-class FilePath;
-class Time;
-}
-
-class GURL;
 
 namespace fileapi {
 
-class FileSystemOperationContext;
+class FileSystemContext;
 class FileSystemURL;
 
-// An instance of this class is created and owned by *MountPointProvider.
-class WEBKIT_STORAGE_EXPORT_PRIVATE LocalFileUtil : public FileSystemFileUtil {
+// A helper class to perform async file operations in a synchronous way.
+class AsyncFileUtilTestHelper : public FileSystemFileUtil {

[vandebo (ex-Chrome), 2013/05/31 23:22:17]

Since this no longer implements the interface, just remove any functions you
haven't usefully implemented (i.e. all those that just return an error).

[tommycli, 2013/06/01 01:40:54]

Done.

  public:
-  LocalFileUtil();
-  virtual ~LocalFileUtil();
+  explicit AsyncFileUtilTestHelper(AsyncFileUtil* async_file_util);
+  virtual ~AsyncFileUtilTestHelper();
 
+  // FileSystemFileUtil overrides.
   virtual base::PlatformFileError CreateOrOpen(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       int file_flags,
       base::PlatformFile* file_handle,
       bool* created) OVERRIDE;
   virtual base::PlatformFileError Close(
       FileSystemOperationContext* context,
       base::PlatformFile file) OVERRIDE;
   virtual base::PlatformFileError EnsureFileExists(
       FileSystemOperationContext* context,
       const FileSystemURL& url, bool* created) OVERRIDE;
   virtual base::PlatformFileError CreateDirectory(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       bool exclusive,
       bool recursive) OVERRIDE;
   virtual base::PlatformFileError GetFileInfo(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       base::PlatformFileInfo* file_info,
-      base::FilePath* platform_file) OVERRIDE;
+      base::FilePath* platform_path) OVERRIDE;
+  // Not implemented. Use ReadDirectorySync instead.
   virtual scoped_ptr<AbstractFileEnumerator> CreateFileEnumerator(
       FileSystemOperationContext* context,
       const FileSystemURL& root_url) OVERRIDE;
+  // Not implemented.
   virtual base::PlatformFileError GetLocalFilePath(
       FileSystemOperationContext* context,
       const FileSystemURL& file_system_url,
       base::FilePath* local_file_path) OVERRIDE;
   virtual base::PlatformFileError Touch(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       const base::Time& last_access_time,
       const base::Time& last_modified_time) OVERRIDE;
   virtual base::PlatformFileError Truncate(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       int64 length) OVERRIDE;
+  // Not implemented.
   virtual base::PlatformFileError CopyOrMoveFile(
       FileSystemOperationContext* context,
       const FileSystemURL& src_url,
       const FileSystemURL& dest_url,
       bool copy) OVERRIDE;
+  // Not implemented.
   virtual base::PlatformFileError CopyInForeignFile(
       FileSystemOperationContext* context,
       const base::FilePath& src_file_path,
       const FileSystemURL& dest_url) OVERRIDE;
+  // Not implemented.
   virtual base::PlatformFileError DeleteFile(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
+  // Not implemented.
   virtual base::PlatformFileError DeleteDirectory(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
+  // Not implemented. Use CreateSnapshotFileSharable instead.
   virtual webkit_blob::ScopedFile CreateSnapshotFile(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       base::PlatformFileError* error,
       base::PlatformFileInfo* file_info,
       base::FilePath* platform_path) OVERRIDE;
 
+  virtual base::PlatformFileError ReadDirectorySync(
+      FileSystemOperationContext* context,
+      const FileSystemURL& url,
+      AsyncFileUtil::EntryList* file_list,
+      bool* has_more);
+
+  virtual scoped_refptr<webkit_blob::ShareableFileReference>
+  CreateSnapshotFileSharable(
+      FileSystemOperationContext* context,
+      const FileSystemURL& url,
+      base::PlatformFileError* error,
+      base::PlatformFileInfo* file_info,
+      base::FilePath* platform_path);
  private:
-  DISALLOW_COPY_AND_ASSIGN(LocalFileUtil);
+  scoped_ptr<AsyncFileUtil> async_file_util_;
 };
 
 }  // namespace fileapi
 
-#endif  // WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_
+#endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ASYNC_FILE_UTIL_TEST_HELPER_H_