base: Remove deprecated file_util::GetFilenameFromPath function.

base/file_util.cc

 // Copyright (c) 2010 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.
 
 #include "base/file_util.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #endif
 #include <stdio.h>
@@ skipping 368 matching lines @@
                        recursive);
 }
 bool Delete(const std::wstring& path, bool recursive) {
   return Delete(FilePath::FromWStringHack(path), recursive);
 }
 std::wstring GetFileExtensionFromPath(const std::wstring& path) {
   FilePath::StringType extension =
       GetFileExtensionFromPath(FilePath::FromWStringHack(path));
   return extension;
 }
-std::wstring GetFilenameFromPath(const std::wstring& path) {
-  if (path.empty() || EndsWithSeparator(FilePath::FromWStringHack(path)))
-    return std::wstring();
-
-  return FilePath::FromWStringHack(path).BaseName().ToWStringHack();
-}
 FILE* OpenFile(const std::wstring& filename, const char* mode) {
   return OpenFile(FilePath::FromWStringHack(filename), mode);
 }
 int ReadFile(const std::wstring& filename, char* data, int size) {
   return ReadFile(FilePath::FromWStringHack(filename), data, size);
 }
 int WriteFile(const std::wstring& filename, const char* data, int size) {
   return WriteFile(FilePath::FromWStringHack(filename), data, size);
 }
 #endif  // OS_WIN
 
 ///////////////////////////////////////////////
 // FileEnumerator
 //
 // Note: the main logic is in file_util_<platform>.cc
 
 bool FileEnumerator::ShouldSkip(const FilePath& path) {
   FilePath::StringType basename = path.BaseName().value();
   return IsDot(path) || (IsDotDot(path) && !(INCLUDE_DOT_DOT & file_type_));
 }
 
 }  // namespace