Extract external file systems handling from isolated context.

webkit/chromeos/fileapi/remote_file_system_proxy.h

Index: webkit/chromeos/fileapi/remote_file_system_proxy.h
diff --git a/webkit/chromeos/fileapi/remote_file_system_proxy.h b/webkit/chromeos/fileapi/remote_file_system_proxy.h
deleted file mode 100644
index e54a266372b48df4dd721b554ddbbdf6000531b1..0000000000000000000000000000000000000000
--- a/webkit/chromeos/fileapi/remote_file_system_proxy.h
+++ /dev/null
@@ -1,122 +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 WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_
-#define WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_
-
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "webkit/fileapi/file_system_operation.h"
-
-namespace fileapi {
-
-typedef base::Callback<
-    void(base::PlatformFileError result,
-         const FilePath& platform_path,
-         const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref)>
-    WritableSnapshotFile;
-
-// The interface class for remote file system proxy.
-class RemoteFileSystemProxyInterface :
-    public base::RefCountedThreadSafe<RemoteFileSystemProxyInterface> {
- public:
-  // Gets the file or directory info for given|path|.
-  virtual void GetFileInfo(const FileSystemURL& url,
-      const FileSystemOperation::GetMetadataCallback& callback) = 0;
-
-  // Copies a file or directory from |src_url| to |dest_url|. If
-  // |src_url| is a directory, the contents of |src_url| are copied to
-  // |dest_url| recursively. A new file or directory is created at
-  // |dest_url| as needed.
-  virtual void Copy(
-      const FileSystemURL& src_url,
-      const FileSystemURL& dest_url,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Moves a file or directory from |src_url| to |dest_url|. A new file
-  // or directory is created at |dest_url| as needed.
-  virtual void Move(
-      const FileSystemURL& src_url,
-      const FileSystemURL& dest_url,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Reads contents of a directory at |url|.
-  virtual void ReadDirectory(const FileSystemURL& url,
-      const FileSystemOperation::ReadDirectoryCallback& callback) = 0;
-
-  // Removes a file or directory at |url|. If |recursive| is true, remove
-  // all files and directories under the directory at |url| recursively.
-  virtual void Remove(const FileSystemURL& url, bool recursive,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Creates a directory at |url|. If |exclusive| is true, an error is
-  // raised in case a directory is already present at the URL. If
-  // |recursive| is true, create parent directories as needed just like
-  // mkdir -p does.
-  virtual void CreateDirectory(
-      const FileSystemURL& url,
-      bool exclusive,
-      bool recursive,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Creates a file at |url|. If the flag |is_exclusive| is true, an
-  // error is raised when a file already exists at the path. It is
-  // an error if a directory or a hosted document is already present at the
-  // path, or the parent directory of the path is not present yet.
-  virtual void CreateFile(
-      const FileSystemURL& url,
-      bool exclusive,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Changes the length of an existing file at |url| to |length|. If |length|
-  // is negative, an error is raised. If |length| is more than the current size
-  // of the file, zero is padded for the extended part.
-  virtual void Truncate(
-      const FileSystemURL& url,
-      int64 length,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
-  // Creates a local snapshot file for a given |url| and returns the
-  // metadata and platform path of the snapshot file via |callback|.
-  // See also FileSystemOperation::CreateSnapshotFile().
-  virtual void CreateSnapshotFile(
-      const FileSystemURL& url,
-      const FileSystemOperation::SnapshotFileCallback& callback) = 0;
-
-  // Creates a local snapshot file for a given |url| and marks it for
-  // modification. A webkit_blob::ShareableFileReference is passed to
-  // |callback|, and when the reference is released, modification to the
-  // snapshot is marked for uploading to the remote file system.
-  virtual void CreateWritableSnapshotFile(
-      const FileSystemURL& url,
-      const WritableSnapshotFile& callback) = 0;
-
-  // Opens file for a given |url| with specified |flags| (see
-  // base::PlatformFileFlags for details).
-  virtual void OpenFile(
-      const FileSystemURL& url,
-      int flags,
-      base::ProcessHandle peer_handle,
-      const FileSystemOperation::OpenFileCallback& callback) = 0;
-
-  // Notifies that a file opened by OpenFile (at |path|) is closed.
-  virtual void NotifyCloseFile(const FileSystemURL& url) = 0;
-
-  // Modifies the timestamp of a given |url| to |last_access_time| and
-  // |last_modified_time|. Note that unlike 'touch' command of Linux, it
-  // does not create a new file.
-  virtual void TouchFile(
-      const fileapi::FileSystemURL& url,
-      const base::Time& last_access_time,
-      const base::Time& last_modified_time,
-      const FileSystemOperation::StatusCallback& callback) = 0;
-
- protected:
-  friend class base::RefCountedThreadSafe<RemoteFileSystemProxyInterface>;
-  virtual ~RemoteFileSystemProxyInterface() {}
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_