Revert "Switch to BoringSSL."

crypto/openssl_util.cc

Index: crypto/openssl_util.cc
diff --git a/crypto/openssl_util.cc b/crypto/openssl_util.cc
index 94bf246a7cdbe3d8d02bfdae2acc70c6272d32a0..34af810c1d01c5f4e4976464ba0c349763434164 100644
--- a/crypto/openssl_util.cc
+++ b/crypto/openssl_util.cc
@@ -6,7 +6,6 @@
 
 #include <openssl/err.h>
 #include <openssl/ssl.h>
-#include <openssl/cpu.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
@@ -23,9 +22,8 @@ namespace crypto {
 
 namespace {
 
-void CurrentThreadId(CRYPTO_THREADID* id) {
-  CRYPTO_THREADID_set_numeric(
-      id, static_cast<unsigned long>(base::PlatformThread::CurrentId()));
+unsigned long CurrentThreadId() {
+  return static_cast<unsigned long>(base::PlatformThread::CurrentId());
 }
 
 // Singleton for initializing and cleaning up the OpenSSL library.
@@ -55,7 +53,7 @@ class OpenSSLInitSingleton {
     for (int i = 0; i < num_locks; ++i)
       locks_.push_back(new base::Lock());
     CRYPTO_set_locking_callback(LockingCallback);
-    CRYPTO_THREADID_set_callback(CurrentThreadId);
+    CRYPTO_set_id_callback(CurrentThreadId);
 
 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
     const bool has_neon =