Move ASCIIToWide and ASCIIToUTF16 to utf_string_conversions.h. I've found it...

chrome/installer/util/version.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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 <vector>
 
 #include "base/format_macros.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/installer/util/version.h"
 
 installer::Version::Version(int64 major, int64 minor, int64 build,
                             int64 patch)
     : major_(major),
       minor_(minor),
       build_(build),
       patch_(patch) {
   version_str_ = ASCIIToUTF16(
       StringPrintf("%" PRId64 ".%" PRId64 ".%" PRId64 ".%" PRId64,
@@ skipping 19 matching lines @@
   SplitString(version_str, '.', &numbers);
 
   if (numbers.size() != 4) {
     LOG(ERROR) << "Invalid version string: " << version_str;
     return NULL;
   }
 
   return new Version(StringToInt64(numbers[0]), StringToInt64(numbers[1]),
                      StringToInt64(numbers[2]), StringToInt64(numbers[3]));
 }