Change {Obfuscated|Local}FileSystemFileUtil non-Singleton to take an underlying *FileUtil.

webkit/chromeos/fileapi/cros_mount_point_provider.h

   // Copyright (c) 2011 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_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_
 #define WEBKIT_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/synchronization/lock.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
+#include "webkit/fileapi/local_file_system_file_util.h"
 #include "webkit/quota/special_storage_policy.h"
 
+namespace fileapi {
+class FileSystemFileUtil;
+}
+
 namespace chromeos {
 
 class FileAccessPermissions;
 
 // An interface to provide local filesystem paths.
 class CrosMountPointProvider
     : public fileapi::ExternalFileSystemMountPointProvider {
  public:
   CrosMountPointProvider(
       scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy);
   virtual ~CrosMountPointProvider();
 
   // fileapi::FileSystemMountPointProvider overrides.
   virtual bool IsAccessAllowed(const GURL& origin_url,
                                fileapi::FileSystemType type,
                                const FilePath& virtual_path) OVERRIDE;
   virtual void ValidateFileSystemRootAndGetURL(
       const GURL& origin_url,
       fileapi::FileSystemType type,
       bool create,
       fileapi::FileSystemPathManager::GetRootPathCallback* callback) OVERRIDE;
   virtual FilePath ValidateFileSystemRootAndGetPathOnFileThread(
       const GURL& origin_url,
       fileapi::FileSystemType type,
       const FilePath& virtual_path,
       bool create);
   virtual bool IsRestrictedFileName(const FilePath& filename) const OVERRIDE;
   virtual std::vector<FilePath> GetRootDirectories() const OVERRIDE;
+  virtual fileapi::FileSystemFileUtil* GetFileSystemFileUtil() OVERRIDE;
 
   // fileapi::ExternalFileSystemMountPointProvider overrides.
   virtual void GrantFullAccessToExtension(
       const std::string& extension_id) OVERRIDE;
   virtual void GrantFileAccessToExtension(
       const std::string& extension_id, const FilePath& virtual_path) OVERRIDE;
   virtual void RevokeAccessForExtension(
       const std::string& extension_id) OVERRIDE;
   virtual void AddMountPoint(FilePath mount_point) OVERRIDE;
   virtual void RemoveMountPoint(FilePath mount_point) OVERRIDE;
   virtual bool GetVirtualPath(const FilePath& filesystem_path,
                               FilePath* virtual_path) OVERRIDE;
 
  private:
   class GetFileSystemRootPathTask;
   typedef std::map<std::string, FilePath> MountPointMap;
 
   // Gives the real file system's |root_path| for given |virtual_path|. Returns
   // false when |virtual_path| cannot be mapped to the real file system.
   bool GetRootForVirtualPath(const FilePath& virtual_path, FilePath* root_path);
 
   base::Lock lock_;  // Synchronize all access to path_map_.
   MountPointMap mount_point_map_;
   scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
   scoped_ptr<FileAccessPermissions> file_access_permissions_;
+  scoped_ptr<fileapi::LocalFileSystemFileUtil> local_file_util_;
   DISALLOW_COPY_AND_ASSIGN(CrosMountPointProvider);
 };
 
 }  // namespace chromeos
 
 #endif  // WEBKIT_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_