Move path functions from file_util to FilePath object.

base/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.
 
 // This file contains utility functions for dealing with the local
 // filesystem.
 
 #ifndef BASE_FILE_UTIL_H_
 #define BASE_FILE_UTIL_H_
 
@@ skipping 21 matching lines @@
 #include "base/string16.h"
 
 #if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #endif
 
 namespace base {
 class Time;
-}
+
+// Returns an absolute version of a relative path. Returns an empty path on
+// error. On POSIX, this function fails if the path does not exist. This
+// function can result in I/O so it can be slow.
+BASE_EXPORT FilePath MakeAbsoluteFilePath(const FilePath& input);
+
+}  // namespace base
 
 namespace file_util {
 
 extern bool g_bug108724_debug;
 
 //-----------------------------------------------------------------------------
-// Functions that operate purely on a path string w/o touching the filesystem:
-
-// Returns true if the given path ends with a path separator character.
-BASE_EXPORT bool EndsWithSeparator(const base::FilePath& path);
-
-// Makes sure that |path| ends with a separator IFF path is a directory that
-// exists. Returns true if |path| is an existing directory, false otherwise.
-BASE_EXPORT bool EnsureEndsWithSeparator(base::FilePath* path);
-
-// Convert provided relative path into an absolute path.  Returns false on
-// error. On POSIX, this function fails if the path does not exist.
-BASE_EXPORT bool AbsolutePath(base::FilePath* path);
-
-// Returns true if |parent| contains |child|. Both paths are converted to
-// absolute paths before doing the comparison.
-BASE_EXPORT bool ContainsPath(const base::FilePath& parent,
-                              const base::FilePath& child);
-
-//-----------------------------------------------------------------------------
 // Functions that involve filesystem access or modification:
 
 // Returns the number of files matching the current path that were
 // created on or after the given |file_time|.  Doesn't count ".." or ".".
 //
 // Note for POSIX environments: a file created before |file_time|
 // can be mis-detected as a newer file due to low precision of
 // timestmap of file creation time. If you need to avoid such
 // mis-detection perfectly, you should wait one second before
 // obtaining |file_time|.
@@ skipping 504 matching lines @@
 
 // Attempts determine the FileSystemType for |path|.
 // Returns false if |path| doesn't exist.
 BASE_EXPORT bool GetFileSystemType(const base::FilePath& path,
                                    FileSystemType* type);
 #endif
 
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_