Convert Media Galleries to use base::File

webkit/browser/fileapi/quota/quota_backend_impl.h

 // 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_QUOTA_QUOTA_BACKEND_IMPL_H_
 #define WEBKIT_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "webkit/browser/fileapi/quota/quota_reservation_manager.h"
@@ skipping 62 matching lines @@
 
   void DidGetUsageAndQuotaForReserveQuota(
       const QuotaReservationInfo& info,
       const ReserveQuotaCallback& callback,
       quota::QuotaStatusCode status,
       int64 usage,
       int64 quota);
 
   void ReserveQuotaInternal(
       const QuotaReservationInfo& info);
-  base::PlatformFileError GetUsageCachePath(
+  base::File::Error GetUsageCachePath(
       const GURL& origin,
       FileSystemType type,
       base::FilePath* usage_file_path);
 
   scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
 
   // Owned by SandboxFileSystemBackendDelegate.
   ObfuscatedFileUtil* obfuscated_file_util_;
   FileSystemUsageCache* file_system_usage_cache_;
 
   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
 
   base::WeakPtrFactory<QuotaBackendImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaBackendImpl);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_