Drive: Removes unused cache files after the initial feed fetch.

chrome/browser/chromeos/gdata/stale_cache_files_remover.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_GDATA_STALE_CACHE_FILE_REMOVER_H_
+#define CHROME_BROWSER_CHROMEOS_GDATA_STALE_CACHE_FILE_REMOVER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "chrome/browser/chromeos/gdata/gdata_file_system_interface.h"
+
+namespace gdata{
+
+class GDataCache;
+class GDataFileSystem;
+
+class StaleCacheFilesRemover {

[satorux1, 2012/08/10 23:47:40]

class comment is missing.

+ public:
+  StaleCacheFilesRemover(GDataFileSystemInterface* file_system,
+                         GDataCache* cache);
+  virtual ~StaleCacheFilesRemover();
+
+  void ScrubCacheAfterDelay();

[satorux1, 2012/08/10 23:47:40]

function comment is missing. Please fix other places too.

+
+ private:
+  void ScrubCache();
+  void OnGetResourceIdsOfAllFiles(const std::vector<std::string>& resource_ids);
+
+  GDataFileSystemInterface* file_system_;
+  GDataCache* cache_;
+
+  base::WeakPtrFactory<StaleCacheFilesRemover> weak_ptr_factory_;
+  DISALLOW_COPY_AND_ASSIGN(StaleCacheFilesRemover);
+};
+
+}  // namespace gdata
+
+#endif  // CHROME_BROWSER_CHROMEOS_GDATA_STALE_CACHE_FILE_REMOVER_H_