Support Kerberos on Android

net/http/http_auth_gssapi_posix.cc

Index: net/http/http_auth_gssapi_posix.cc
diff --git a/net/http/http_auth_gssapi_posix.cc b/net/http/http_auth_gssapi_posix.cc
index 388cc640a42cc097657eaf4915fd32aadbd2b89a..6f98abd7e6bf280a6cb32c9b637fa73570c6479e 100644
--- a/net/http/http_auth_gssapi_posix.cc
+++ b/net/http/http_auth_gssapi_posix.cc
@@ -685,41 +685,10 @@ void HttpAuthGSSAPI::Delegate() {
   can_delegate_ = true;
 }
 
-HttpAuth::AuthorizationResult HttpAuthGSSAPI::ParseChallenge(
-    HttpAuthChallengeTokenizer* tok) {
-  // Verify the challenge's auth-scheme.
-  if (!base::LowerCaseEqualsASCII(tok->scheme(),
-                                  base::StringToLowerASCII(scheme_).c_str()))
-    return HttpAuth::AUTHORIZATION_RESULT_INVALID;
-
-  std::string encoded_auth_token = tok->base64_param();
-
-  if (encoded_auth_token.empty()) {
-    // If a context has already been established, an empty Negotiate challenge
-    // should be treated as a rejection of the current attempt.
-    if (scoped_sec_context_.get() != GSS_C_NO_CONTEXT)
-      return HttpAuth::AUTHORIZATION_RESULT_REJECT;
-    DCHECK(decoded_server_auth_token_.empty());
-    return HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
-  } else {
-    // If a context has not already been established, additional tokens should
-    // not be present in the auth challenge.
-    if (scoped_sec_context_.get() == GSS_C_NO_CONTEXT)
-      return HttpAuth::AUTHORIZATION_RESULT_INVALID;
-  }
-
-  // Make sure the additional token is base64 encoded.
-  std::string decoded_auth_token;
-  bool base64_rv = base::Base64Decode(encoded_auth_token, &decoded_auth_token);
-  if (!base64_rv)
-    return HttpAuth::AUTHORIZATION_RESULT_INVALID;
-  decoded_server_auth_token_ = decoded_auth_token;
-  return HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
-}
-
 int HttpAuthGSSAPI::GenerateAuthToken(const AuthCredentials* credentials,
                                       const std::string& spn,
-                                      std::string* auth_token) {
+                                      std::string* auth_token,
+                                      const CompletionCallback& /*callback*/) {
   DCHECK(auth_token);
 
   gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;