storage: Cleanup class/struct forward declarations

storage/browser/fileapi/local_file_util.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 STORAGE_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_
 #define STORAGE_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "storage/browser/fileapi/file_system_file_util.h"
 #include "storage/browser/storage_browser_export.h"
 
 namespace base {
 class Time;
 }
 
-class GURL;
-
 namespace storage {
 
 class FileSystemOperationContext;
 class FileSystemURL;
 
 // An instance of this class is created and owned by *FileSystemBackend.
 class STORAGE_EXPORT LocalFileUtil
     : public FileSystemFileUtil {
  public:
   LocalFileUtil();
@@ skipping 45 matching lines @@
       base::File::Info* file_info,
       base::FilePath* platform_path) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LocalFileUtil);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_LOCAL_FILE_UTIL_H_