Make IsStringUTF8 reject (U+FDD0 .. U+FDEF) ...

base/i18n/icu_string_conversions.cc

 // Copyright (c) 2009 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/i18n/icu_string_conversions.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "unicode/ucnv.h"
 #include "unicode/ucnv_cb.h"
 #include "unicode/ucnv_err.h"
 #include "unicode/ustring.h"
 
 namespace base {
 
 namespace {
-
-inline bool IsValidCodepoint(uint32 code_point) {
-  // Excludes the surrogate code points ([0xD800, 0xDFFF]) and
-  // codepoints larger than 0x10FFFF (the highest codepoint allowed).
-  // Non-characters and unassigned codepoints are allowed.
-  return code_point < 0xD800u ||
-         (code_point >= 0xE000u && code_point <= 0x10FFFFu);
-}
-
 // ToUnicodeCallbackSubstitute() is based on UCNV_TO_U_CALLBACK_SUSBSTITUTE
 // in source/common/ucnv_err.c.
 
 // Copyright (c) 1995-2006 International Business Machines Corporation
 // and others
 //
 // All rights reserved.
 //
 
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ skipping 228 matching lines @@
     return false;
   }
 
   // actual_size is # of bytes.
   wide->resize(actual_size / sizeof(wchar_t));
   return true;
 #endif  // defined(WCHAR_T_IS_UTF32)
 }
 
 }  // namespace base