base: Remove deprecated file_util::GetFilenameFromPath function.

base/file_util_deprecated.h

Index: base/file_util_deprecated.h
diff --git a/base/file_util_deprecated.h b/base/file_util_deprecated.h
index 9bafb3121d4fe4a25acb9b66be48b0b9560c595e..bb8f7f99532e5ea975f5d79388426f43bec96004 100644
--- a/base/file_util_deprecated.h
+++ b/base/file_util_deprecated.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -27,9 +27,6 @@ namespace file_util {
 FILE* OpenFile(const std::string& filename, const char* mode);
 FILE* OpenFile(const std::wstring& filename, const char* mode);
 
-// Use FilePath::BaseName instead.
-std::wstring GetFilenameFromPath(const std::wstring& path);
-
 // Returns the directory component of a path, without the trailing
 // path separator, or an empty string on error. The function does not
 // check for the existence of the path, so if it is passed a directory