Move more file_util functions to base namespace.

base/files/file_path.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.
 
 // FilePath is a container for pathnames stored in a platform's native string
 // type, providing containers for manipulation in according with the
 // platform's conventions for pathnames.  It supports the following path
 // types:
 //
 //                   POSIX            Windows
@@ skipping 228 matching lines @@
   // NOTE: this is different from the original file_util implementation which
   // returned the extension without a leading "." ("jpg" instead of ".jpg")
   StringType Extension() const;
 
   // Returns the path's file extension, as in Extension(), but will
   // never return a double extension.
   //
   // TODO(davidben): Check all our extension-sensitive code to see if
   // we can rename this to Extension() and the other to something like
   // LongExtension(), defaulting to short extensions and leaving the
-  // long "extensions" to logic like file_util::GetUniquePathNumber().
+  // long "extensions" to logic like base::GetUniquePathNumber().
   StringType FinalExtension() const;
 
   // Returns "C:\pics\jojo" for path "C:\pics\jojo.jpg"
   // NOTE: this is slightly different from the similar file_util implementation
   // which returned simply 'jojo'.
   FilePath RemoveExtension() const WARN_UNUSED_RESULT;
 
   // Removes the path's file extension, as in RemoveExtension(), but
   // ignores double extensions.
   FilePath RemoveFinalExtension() const WARN_UNUSED_RESULT;
@@ skipping 202 matching lines @@
 
 inline size_t hash_value(const base::FilePath& f) {
   return hash_value(f.value());
 }
 
 #endif  // COMPILER
 
 }  // namespace BASE_HASH_NAMESPACE
 
 #endif  // BASE_FILES_FILE_PATH_H_