Revert of Remove code interfacing legacy openssl.

webrtc/base/ssladapter.cc

Index: webrtc/base/ssladapter.cc
diff --git a/webrtc/base/ssladapter.cc b/webrtc/base/ssladapter.cc
index 68c3840b5b9de9db290eab1c6ff7ad89dc41ca64..454a56637d7b9de76f5125968cf91a6cd59362f0 100644
--- a/webrtc/base/ssladapter.cc
+++ b/webrtc/base/ssladapter.cc
@@ -44,13 +44,19 @@
   return OpenSSLAdapter::InitializeSSL(callback);
 }
 
+bool InitializeSSLThread() {
+  return OpenSSLAdapter::InitializeSSLThread();
+}
+
+bool CleanupSSL() {
+  return OpenSSLAdapter::CleanupSSL();
+}
+
 #else  // !SSL_USE_OPENSSL
 
 bool InitializeSSL(VerificationCallback callback) {
   return true;
 }
-
-#endif  // SSL_USE_OPENSSL
 
 bool InitializeSSLThread() {
   return true;
@@ -60,6 +66,8 @@
   return true;
 }
 
+#endif  // SSL_USE_OPENSSL
+
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc