Switch on use_new_wrapper_types mode for content/common.

base/strings/string_util.h

 // Copyright 2013 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.
 //
 // This file defines utility functions for working with strings.
 
 #ifndef BASE_STRINGS_STRING_UTIL_H_
 #define BASE_STRINGS_STRING_UTIL_H_
 
 #include <ctype.h>
@@ skipping 438 matching lines @@
 BASE_EXPORT std::string ReplaceStringPlaceholders(
     const StringPiece& format_string,
     const std::vector<std::string>& subst,
     std::vector<size_t>* offsets);
 
 // Single-string shortcut for ReplaceStringHolders. |offset| may be NULL.
 BASE_EXPORT string16 ReplaceStringPlaceholders(const string16& format_string,
                                                const string16& a,
                                                size_t* offset);
 
+BASE_EXPORT extern string16 Uint8VectorToString16(
+    const std::vector<uint8_t>& input);
+
+BASE_EXPORT extern std::vector<uint8_t> String16ToUint8Vector(
+    const string16& input);
+
 }  // namespace base
 
 #if defined(OS_WIN)
 #include "base/strings/string_util_win.h"
 #elif defined(OS_POSIX)
 #include "base/strings/string_util_posix.h"
 #else
 #error Define string operations appropriately for your platform
 #endif
 
 #endif  // BASE_STRINGS_STRING_UTIL_H_