Revert 262487 "Add net/base/filename_util.h."

trunk/src/net/base/filename_util.h

Index: trunk/src/net/base/filename_util.h
===================================================================
--- trunk/src/net/base/filename_util.h	(revision 262497)
+++ trunk/src/net/base/filename_util.h	(working copy)
@@ -1,116 +0,0 @@
-// Copyright 2014 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 NET_BASE_FILENAME_UTIL_H_
-#define NET_BASE_FILENAME_UTIL_H_
-
-#include <string>
-
-#include "base/strings/string16.h"
-#include "net/base/net_export.h"
-
-class GURL;
-
-namespace base {
-class FilePath;
-}
-
-namespace  net {
-
-// Given the full path to a file name, creates a file: URL. The returned URL
-// may not be valid if the input is malformed.
-NET_EXPORT GURL FilePathToFileURL(const base::FilePath& path);
-
-// Converts a file: URL back to a filename that can be passed to the OS. The
-// file URL must be well-formed (GURL::is_valid() must return true); we don't
-// handle degenerate cases here. Returns true on success, false if it isn't a
-// valid file URL. On failure, *file_path will be empty.
-NET_EXPORT bool FileURLToFilePath(const GURL& url, base::FilePath* file_path);
-
-// Generates a filename using the first successful method from the following (in
-// order):
-//
-// 1) The raw Content-Disposition header in |content_disposition| as read from
-//    the network.  |referrer_charset| is used to decode non-ASCII strings.
-// 2) |suggested_name| if specified.  |suggested_name| is assumed to be in
-//    UTF-8.
-// 3) The filename extracted from the |url|.  |referrer_charset| will be used to
-//    interpret the URL if there are non-ascii characters.
-// 4) |default_name|.  If non-empty, |default_name| is assumed to be a filename
-//    and shouldn't contain a path.  |default_name| is not subject to validation
-//    or sanitization, and therefore shouldn't be a user supplied string.
-// 5) The hostname portion from the |url|
-//
-// Then, leading and trailing '.'s will be removed.  On Windows, trailing spaces
-// are also removed.  The string "download" is the final fallback if no filename
-// is found or the filename is empty.
-//
-// Any illegal characters in the filename will be replaced by '-'.  If the
-// filename doesn't contain an extension, and a |mime_type| is specified, the
-// preferred extension for the |mime_type| will be appended to the filename.
-// The resulting filename is then checked against a list of reserved names on
-// Windows.  If the name is reserved, an underscore will be prepended to the
-// filename.
-//
-// Note: |mime_type| should only be specified if this function is called from a
-// thread that allows IO.
-NET_EXPORT base::string16 GetSuggestedFilename(
-    const GURL& url,
-    const std::string& content_disposition,
-    const std::string& referrer_charset,
-    const std::string& suggested_name,
-    const std::string& mime_type,
-    const std::string& default_name);
-
-// Similar to GetSuggestedFilename(), but returns a FilePath.
-NET_EXPORT base::FilePath GenerateFileName(
-    const GURL& url,
-    const std::string& content_disposition,
-    const std::string& referrer_charset,
-    const std::string& suggested_name,
-    const std::string& mime_type,
-    const std::string& default_name);
-
-// Valid components:
-// * are not empty
-// * are not Windows reserved names (CON, NUL.zip, etc.)
-// * do not have trailing separators
-// * do not equal kCurrentDirectory
-// * do not reference the parent directory
-// * do not contain illegal characters
-// * do not end with Windows shell-integrated extensions (even on posix)
-// * do not begin with '.' (which would hide them in most file managers)
-// * do not end with ' ' or '.'
-NET_EXPORT bool IsSafePortablePathComponent(const base::FilePath& component);
-
-// Basenames of valid relative paths are IsSafePortableBasename(), and internal
-// path components of valid relative paths are valid path components as
-// described above IsSafePortableBasename(). Valid relative paths are not
-// absolute paths.
-NET_EXPORT bool IsSafePortableRelativePath(const base::FilePath& path);
-
-// Ensures that the filename and extension is safe to use in the filesystem.
-//
-// Assumes that |file_path| already contains a valid path or file name.  On
-// Windows if the extension causes the file to have an unsafe interaction with
-// the shell (see net_util::IsShellIntegratedExtension()), then it will be
-// replaced by the string 'download'.  If |file_path| doesn't contain an
-// extension or |ignore_extension| is true then the preferred extension, if one
-// exists, for |mime_type| will be used as the extension.
-//
-// On Windows, the filename will be checked against a set of reserved names, and
-// if so, an underscore will be prepended to the name.
-//
-// |file_name| can either be just the file name or it can be a full path to a
-// file.
-//
-// Note: |mime_type| should only be non-empty if this function is called from a
-// thread that allows IO.
-NET_EXPORT void GenerateSafeFileName(const std::string& mime_type,
-                                     bool ignore_extension,
-                                     base::FilePath* file_path);
-
-}  // namespace net
-
-#endif  // NET_BASE_FILENAME_UTIL_H_