Revert of Switch to BoringSSL.

net/socket/openssl_ssl_util.cc

Index: net/socket/openssl_ssl_util.cc
diff --git a/net/socket/openssl_ssl_util.cc b/net/socket/openssl_ssl_util.cc
index 231f77cceacb77134a574cd2fba5581bb7a69f96..a11436ce0d5191c3f1c2c97748ac0b181a5e767e 100644
--- a/net/socket/openssl_ssl_util.cc
+++ b/net/socket/openssl_ssl_util.cc
@@ -3,8 +3,6 @@
 // found in the LICENSE file.
 
 #include "net/socket/openssl_ssl_util.h"
-
-#include <errno.h>
 
 #include <openssl/err.h>
 #include <openssl/ssl.h>
@@ -41,16 +39,16 @@
     net_error_lib_ = ERR_get_next_error_library();
   }
 
-  unsigned net_error_lib() const { return net_error_lib_; }
+  int net_error_lib() const { return net_error_lib_; }
 
  private:
-  unsigned net_error_lib_;
+  int net_error_lib_;
 };
 
 base::LazyInstance<OpenSSLNetErrorLibSingleton>::Leaky g_openssl_net_error_lib =
     LAZY_INSTANCE_INITIALIZER;
 
-unsigned OpenSSLNetErrorLib() {
+int OpenSSLNetErrorLib() {
   return g_openssl_net_error_lib.Get().net_error_lib();
 }
 
@@ -164,7 +162,7 @@
     NOTREACHED();
     err = ERR_INVALID_ARGUMENT;
   }
-  ERR_put_error(OpenSSLNetErrorLib(), 0, err,
+  ERR_PUT_error(OpenSSLNetErrorLib(), 0, err,
                 location.file_name(), location.line_number());
 }