Change UTF8ToUTF16 to accept const StringPiece&.

net/base/net_util_win.cc

 // Copyright (c) 2006-2008 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 <algorithm>
+
 #include "net/base/net_util.h"
 
 #include "base/file_path.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 
@@ skipping 46 matching lines @@
   // We used to try too hard and see if |path| made up entirely of
   // the 1st 256 characters in the Unicode was a zero-extended UTF-16.
   // If so, we converted it to 'Latin-1' and checked if the result was UTF-8.
   // If the check passed, we converted the result to UTF-8.
   // Otherwise, we treated the result as the native OS encoding.
   // However, that led to http://crbug.com/4619 and http://crbug.com/14153
   return true;
 }
 
 }  // namespace net