Relanding: Removing #defines previously used for building without BoringSSL/OpenSSL.

webrtc/base/ssladapter_unittest.cc

Index: webrtc/base/ssladapter_unittest.cc
diff --git a/webrtc/base/ssladapter_unittest.cc b/webrtc/base/ssladapter_unittest.cc
index a6ec56ebc0629547f749db5a4c7e475293fbecbf..c591f19658f30d19acfa9a338ccf7ddd2ce59a65 100644
--- a/webrtc/base/ssladapter_unittest.cc
+++ b/webrtc/base/ssladapter_unittest.cc
@@ -370,8 +370,6 @@ class SSLAdapterTestDTLS_ECDSA : public SSLAdapterTestBase {
       : SSLAdapterTestBase(rtc::SSL_MODE_DTLS, rtc::KeyParams::ECDSA()) {}
 };
 
-#if SSL_USE_OPENSSL
-
 // Basic tests: TLS
 
 // Test that handshake works, using RSA
@@ -419,5 +417,3 @@ TEST_F(SSLAdapterTestDTLS_ECDSA, TestDTLSTransfer) {
   TestHandshake(true);
   TestTransfer("Hello, world!");
 }
-
-#endif  // SSL_USE_OPENSSL