If we can't read a unicode character, write the standard "unknown" (0xFFFD) c...

base/utf_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/utf_string_conversions.h"
 
 #include "base/string_piece.h"
 #include "base/utf_string_conversion_utils.h"
 
 using base::PrepareForUTF8Output;
@@ skipping 14 matching lines @@
                     size_t src_len,
                     DEST_STRING* output) {
   // ICU requires 32-bit numbers.
   bool success = true;
   int32 src_len32 = static_cast<int32>(src_len);
   for (int32 i = 0; i < src_len32; i++) {
     uint32 code_point;
     if (ReadUnicodeCharacter(src, src_len32, &i, &code_point)) {
       WriteUnicodeCharacter(code_point, output);
     } else {
-      // TODO(jungshik): consider adding 'Replacement character' (U+FFFD)
-      // in place of an invalid codepoint.
+      WriteUnicodeCharacter(0xFFFD, output);
       success = false;
     }
   }
 
   return success;
 }
 
 }  // namespace
 
 // UTF-8 <-> Wide --------------------------------------------------------------
@@ skipping 120 matching lines @@
 
 bool UTF16ToUTF8(const char16* src, size_t src_len, std::string* output) {
   return WideToUTF8(src, src_len, output);
 }
 
 std::string UTF16ToUTF8(const string16& utf16) {
   return WideToUTF8(utf16);
 }
 
 #endif