Implement alternative string conversion functions in net/ on Android,

net/http/http_auth_handler_digest.cc

 // Copyright (c) 2011 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 "net/http/http_auth_handler_digest.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/md5.h"
@@ skipping 209 matching lines @@
   if (nonce_.empty())
     return false;
 
   return true;
 }
 
 bool HttpAuthHandlerDigest::ParseChallengeProperty(const std::string& name,
                                                    const std::string& value) {
   if (LowerCaseEqualsASCII(name, "realm")) {
     std::string realm;
-    if (!net::ConvertLatin1ToUtf8AndNormalize(value, &realm))
+    if (!net::ConvertToUtf8AndNormalize(value, kLatin1, &realm))
       return false;
     realm_ = realm;
     original_realm_ = value;
   } else if (LowerCaseEqualsASCII(name, "nonce")) {
     nonce_ = value;
   } else if (LowerCaseEqualsASCII(name, "domain")) {
     domain_ = value;
   } else if (LowerCaseEqualsASCII(name, "opaque")) {
     opaque_ = value;
   } else if (LowerCaseEqualsASCII(name, "stale")) {
@@ skipping 133 matching lines @@
     // TODO(eroman): Supposedly IIS server requires quotes surrounding qop.
     authorization += ", qop=" + QopToString(qop_);
     authorization += ", nc=" + nc;
     authorization += ", cnonce=" + HttpUtil::Quote(cnonce);
   }
 
   return authorization;
 }
 
 }  // namespace net