Remove some dead code.

chrome/browser/media_gallery/media_gallery_database_types.h

Index: chrome/browser/media_gallery/media_gallery_database_types.h
diff --git a/chrome/browser/media_gallery/media_gallery_database_types.h b/chrome/browser/media_gallery/media_gallery_database_types.h
deleted file mode 100644
index 8b2831bf5f5cb3643c046268313fa2685399404d..0000000000000000000000000000000000000000
--- a/chrome/browser/media_gallery/media_gallery_database_types.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// 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_MEDIA_GALLERY_MEDIA_GALLERY_DATABASE_TYPES_H_
-#define CHROME_BROWSER_MEDIA_GALLERY_MEDIA_GALLERY_DATABASE_TYPES_H_
-
-#include "base/basictypes.h"
-#include "base/file_path.h"
-#include "base/time.h"
-
-namespace chrome {
-
-typedef int CollectionId;
-
-struct CollectionRow {
- public:
-  CollectionRow();
-  CollectionRow(const base::FilePath& path,
-                base::Time last_modified_time,
-                int entry_count,
-                bool all_parsed);
-  ~CollectionRow();
-  bool operator==(const CollectionRow& row2) const;
-
-  CollectionId id;
-  base::FilePath path;
-  base::Time last_modified_time;
-  int entry_count;
-  bool all_parsed;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CollectionRow);
-};
-
-}  // namespace chrome
-
-#endif  // CHROME_BROWSER_MEDIA_GALLERY_MEDIA_GALLERY_DATABASE_TYPES_H_