Make base::Base64Encode() return void

net/http/http_auth_handler_ntlm.cc

Index: net/http/http_auth_handler_ntlm.cc
diff --git a/net/http/http_auth_handler_ntlm.cc b/net/http/http_auth_handler_ntlm.cc
index c0387d8c04e851138c98ef7710caf58f0abcc41e..922800c71e16b8e11ed19264597d13b507924f42 100644
--- a/net/http/http_auth_handler_ntlm.cc
+++ b/net/http/http_auth_handler_ntlm.cc
@@ -89,13 +89,9 @@ int HttpAuthHandlerNTLM::GenerateAuthTokenImpl(
   // Base64 encode data in output buffer and prepend "NTLM ".
   std::string encode_input(static_cast<char*>(out_buf), out_buf_len);
   std::string encode_output;
-  bool base64_rv = base::Base64Encode(encode_input, &encode_output);
+  base::Base64Encode(encode_input, &encode_output);
   // OK, we are done with |out_buf|
   free(out_buf);
-  if (!base64_rv) {
-    LOG(ERROR) << "Unexpected problem Base64 encoding.";
-    return ERR_UNEXPECTED;
-  }
   *auth_token = std::string("NTLM ") + encode_output;
   return OK;
 #endif