Cleanup: Remove deprecated version of file_util::AppendToPath().

base/file_util.cc

 // 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.
 
 #include "base/file_util.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #endif
 #include <stdio.h>
@@ skipping 365 matching lines @@
     DLOG(ERROR) << "Couldn't open " << file_name.value();
     return false;
   }
 
   return MapFileToMemoryInternal();
 }
 
 // Deprecated functions ----------------------------------------------------
 
 #if defined(OS_WIN)
-void AppendToPath(std::wstring* path, const std::wstring& new_ending) {
-  if (!path) {
-    NOTREACHED();
-    return;  // Don't crash in this function in release builds.
-  }
-
-  if (!EndsWithSeparator(FilePath(*path)))
-    path->push_back(FilePath::kSeparators[0]);
-  path->append(new_ending);
-}
-
 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