Move path functions from file_util to FilePath object.

base/file_util.h

Index: base/file_util.h
diff --git a/base/file_util.h b/base/file_util.h
index 00be5c92f95a06caed585deea0020e507ff35969..768cc6fea760a63f5b99d85b1d9f37b224a29028 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -39,30 +39,17 @@
 
 namespace base {
 class Time;
-}
 
-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);
+// 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);
 
-// 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);
+}  // namespace base
 
-// 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);
+namespace file_util {
 
-// 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);
+extern bool g_bug108724_debug;
 
 //-----------------------------------------------------------------------------
 // Functions that involve filesystem access or modification: