Revert of Remove webrtc/base/scoped_ptr.h

webrtc/p2p/base/dtlstransportchannel_unittest.cc

Index: webrtc/p2p/base/dtlstransportchannel_unittest.cc
diff --git a/webrtc/p2p/base/dtlstransportchannel_unittest.cc b/webrtc/p2p/base/dtlstransportchannel_unittest.cc
index 486b51aec9788a0cc4d9bd8805ffb33f44482a3c..3e34affb4b4fc36e8f925983d0926ee5f9903129 100644
--- a/webrtc/p2p/base/dtlstransportchannel_unittest.cc
+++ b/webrtc/p2p/base/dtlstransportchannel_unittest.cc
@@ -42,7 +42,7 @@
 cricket::TransportDescription MakeTransportDescription(
     const rtc::scoped_refptr<rtc::RTCCertificate>& cert,
     cricket::ConnectionRole role) {
-  std::unique_ptr<rtc::SSLFingerprint> fingerprint;
+  rtc::scoped_ptr<rtc::SSLFingerprint> fingerprint;
   if (cert) {
     std::string digest_algorithm;
     cert->ssl_certificate().GetSignatureDigestAlgorithm(&digest_algorithm);