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diff --git a/third_party/libjingle/files/talk/base/stringutils.h b/third_party/libjingle/files/talk/base/stringutils.h
deleted file mode 100644
index 03fb749..0000000
--- a/third_party/libjingle/files/talk/base/stringutils.h
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * libjingle
- * Copyright 2004--2005, Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TALK_BASE_STRINGUTILS_H__
-#define TALK_BASE_STRINGUTILS_H__
-
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-#ifdef WIN32
-#include <wchar.h>
-#endif  // WIN32
-
-#include <string>
-
-///////////////////////////////////////////////////////////////////////////////
-// Generic string/memory utilities
-///////////////////////////////////////////////////////////////////////////////
-
-namespace talk_base {
-
-// Complement to memset.  Verifies memory consists of count bytes of value c.
-bool memory_check(const void* memory, int c, size_t count);
-
-}  // namespace talk_base
-
-///////////////////////////////////////////////////////////////////////////////
-// Rename a bunch of common string functions so they are consistent across
-// platforms and between char and wchar_t variants.
-// Here is the full list of functions that are unified:
-//  strlen, strcmp, stricmp, strncmp, strnicmp
-//  strchr, vsnprintf, strtoul, tolowercase
-// tolowercase is like tolower, but not compatible with end-of-file value
-// Note that the wchar_t versions are not available on Linux
-///////////////////////////////////////////////////////////////////////////////
-
-inline char tolowercase(char c) {
-  return static_cast<char>(tolower(c));
-}
-
-#ifdef WIN32
-
-inline size_t strlen(const wchar_t* s) {
-  return wcslen(s);
-}
-inline int strcmp(const wchar_t* s1, const wchar_t* s2) {
-  return wcscmp(s1, s2);
-}
-inline int stricmp(const wchar_t* s1, const wchar_t* s2) {
-  return _wcsicmp(s1, s2);
-}
-inline int strncmp(const wchar_t* s1, const wchar_t* s2, size_t n) {
-  return wcsncmp(s1, s2, n);
-}
-inline int strnicmp(const wchar_t* s1, const wchar_t* s2, size_t n) {
-  return _wcsnicmp(s1, s2, n);
-}
-inline const wchar_t* strchr(const wchar_t* s, wchar_t c) {
-  return wcschr(s, c);
-}
-inline const wchar_t* strstr(const wchar_t* haystack, const wchar_t* needle) {
-  return wcsstr(haystack, needle);
-}
-#if 0
-inline int vsnprintf(char* buf, size_t n, const char* fmt, va_list args) {
-  return _vsnprintf(buf, n, fmt, args);
-}
-inline int vsnprintf(wchar_t* buf, size_t n, const wchar_t* fmt, va_list args) {
-  return _vsnwprintf(buf, n, fmt, args);
-}
-#endif
-inline unsigned long strtoul(const wchar_t* snum, wchar_t** end, int base) {
-  return wcstoul(snum, end, base);
-}
-inline wchar_t tolowercase(wchar_t c) {
-  return static_cast<wchar_t>(towlower(c));
-}
-
-#endif  // WIN32
-
-#ifdef POSIX
-
-inline int _stricmp(const char* s1, const char* s2) {
-  return strcasecmp(s1, s2);
-}
-inline int _strnicmp(const char* s1, const char* s2, size_t n) {
-  return strncasecmp(s1, s2, n);
-}
-
-#endif // POSIX
-
-///////////////////////////////////////////////////////////////////////////////
-// Traits simplifies porting string functions to be CTYPE-agnostic
-///////////////////////////////////////////////////////////////////////////////
-
-namespace talk_base {
-
-const size_t SIZE_UNKNOWN = static_cast<size_t>(-1);
-
-template<class CTYPE>
-struct Traits {
-  // STL string type
-  //typedef XXX string;
-  // Null-terminated string
-  //inline static const CTYPE* empty_str();
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// String utilities which work with char or wchar_t
-///////////////////////////////////////////////////////////////////////////////
-
-template<class CTYPE>
-inline const CTYPE* nonnull(const CTYPE* str, const CTYPE* def_str = NULL) {
-  return str ? str : (def_str ? def_str : Traits<CTYPE>::empty_str());
-}
-
-template<class CTYPE>
-const CTYPE* strchr(const CTYPE* str, const CTYPE* chs) {
-  for (size_t i=0; str[i]; ++i) {
-    for (size_t j=0; chs[j]; ++j) {
-      if (str[i] == chs[j]) {
-        return str + i;
-      }
-    }
-  }
-  return 0;
-}
-
-template<class CTYPE>
-const CTYPE* strchrn(const CTYPE* str, size_t slen, CTYPE ch) {
-  for (size_t i=0; i<slen && str[i]; ++i) {
-    if (str[i] == ch) {
-      return str + i;
-    }
-  }
-  return 0;
-}
-
-template<class CTYPE>
-size_t strlenn(const CTYPE* buffer, size_t buflen) {
-  size_t bufpos = 0;
-  while (buffer[bufpos] && (bufpos < buflen)) {
-    ++bufpos;
-  }
-  return bufpos;
-}
-
-// Safe versions of strncpy, strncat, snprintf and vsnprintf that always
-// null-terminate.
-
-template<class CTYPE>
-size_t strcpyn(CTYPE* buffer, size_t buflen,
-               const CTYPE* source, size_t srclen = SIZE_UNKNOWN) {
-  if (buflen <= 0)
-    return 0;
-
-  if (srclen == SIZE_UNKNOWN) {
-    srclen = strlenn(source, buflen - 1);
-  } else if (srclen >= buflen) {
-    srclen = buflen - 1;
-  }
-  memcpy(buffer, source, srclen * sizeof(CTYPE));
-  buffer[srclen] = 0;
-  return srclen;
-}
-
-template<class CTYPE>
-size_t strcatn(CTYPE* buffer, size_t buflen,
-               const CTYPE* source, size_t srclen = SIZE_UNKNOWN) {
-  if (buflen <= 0)
-    return 0;
-  
-  size_t bufpos = strlenn(buffer, buflen - 1);
-  return bufpos + strcpyn(buffer + bufpos, buflen - bufpos, source, srclen);
-}
-
-template<class CTYPE>
-size_t vsprintfn(CTYPE* buffer, size_t buflen, const CTYPE* format,
-                 va_list args) {
-  int len = vsnprintf(buffer, buflen, format, args);
-  if ((len < 0) || (static_cast<size_t>(len) >= buflen)) {
-    len = static_cast<int>(buflen - 1);
-    buffer[len] = 0;
-  }
-  return len;
-}
-
-template<class CTYPE>
-size_t sprintfn(CTYPE* buffer, size_t buflen, const CTYPE* format, ...) {
-  va_list args;
-  va_start(args, format);
-  size_t len = vsprintfn(buffer, buflen, format, args);
-  va_end(args);
-  return len;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// Allow safe comparing and copying ascii (not UTF-8) with both wide and
-// non-wide character strings.
-///////////////////////////////////////////////////////////////////////////////
-
-inline int asccmp(const char* s1, const char* s2) {
-  return strcmp(s1, s2);
-}
-inline int ascicmp(const char* s1, const char* s2) {
-  return _stricmp(s1, s2);
-}
-inline int ascncmp(const char* s1, const char* s2, size_t n) {
-  return strncmp(s1, s2, n);
-}
-inline int ascnicmp(const char* s1, const char* s2, size_t n) {
-  return _strnicmp(s1, s2, n);
-}
-inline size_t asccpyn(char* buffer, size_t buflen,
-                      const char* source, size_t srclen = SIZE_UNKNOWN) {
-  return strcpyn(buffer, buflen, source, srclen);
-}
-
-#ifdef WIN32
-
-typedef wchar_t(*CharacterTransformation)(wchar_t);
-inline wchar_t identity(wchar_t c) { return c; }
-int ascii_string_compare(const wchar_t* s1, const char* s2, size_t n,
-                         CharacterTransformation transformation);
-
-inline int asccmp(const wchar_t* s1, const char* s2) {
-  return ascii_string_compare(s1, s2, static_cast<size_t>(-1), identity);
-}
-inline int ascicmp(const wchar_t* s1, const char* s2) {
-  return ascii_string_compare(s1, s2, static_cast<size_t>(-1), tolowercase);
-}
-inline int ascncmp(const wchar_t* s1, const char* s2, size_t n) {
-  return ascii_string_compare(s1, s2, n, identity);
-}
-inline int ascnicmp(const wchar_t* s1, const char* s2, size_t n) {
-  return ascii_string_compare(s1, s2, n, tolowercase);
-}
-size_t asccpyn(wchar_t* buffer, size_t buflen,
-               const char* source, size_t srclen = SIZE_UNKNOWN);
-
-#endif  // WIN32
-
-///////////////////////////////////////////////////////////////////////////////
-// Traits<char> specializations
-///////////////////////////////////////////////////////////////////////////////
-
-template<>
-struct Traits<char> {
-  typedef std::string string;
-  inline static const char* empty_str() { return ""; }
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// Traits<wchar_t> specializations (Windows only, currently)
-///////////////////////////////////////////////////////////////////////////////
-
-#ifdef WIN32
-
-template<>
-struct Traits<wchar_t> {
-  typedef std::wstring string;
-  inline static const wchar_t* Traits<wchar_t>::empty_str() { return L""; }
-};
-
-#endif  // WIN32
-
-}  // namespace talk_base
-
-#endif // TALK_BASE_STRINGUTILS_H__