Add scoped_ptr<>::PassAs<>().

remoting/protocol/v1_authenticator.cc

Index: remoting/protocol/v1_authenticator.cc
diff --git a/remoting/protocol/v1_authenticator.cc b/remoting/protocol/v1_authenticator.cc
index 5811eff0aa9f9bcf960ff3a5a997d53408dd6be8..4dacd1c6b88639a603322ba7f68954474694d61e 100644
--- a/remoting/protocol/v1_authenticator.cc
+++ b/remoting/protocol/v1_authenticator.cc
@@ -81,7 +81,7 @@ V1ClientAuthenticator::CreateChannelAuthenticator() const {
       SslHmacChannelAuthenticator::CreateForClient(
           remote_cert_, shared_secret_);
   result->SetLegacyOneWayMode(SslHmacChannelAuthenticator::SEND_ONLY);
-  return scoped_ptr<ChannelAuthenticator>(result.Pass());
+  return result.PassAs<ChannelAuthenticator>();
 };
 
 V1HostAuthenticator::V1HostAuthenticator(
@@ -141,7 +141,7 @@ V1HostAuthenticator::CreateChannelAuthenticator() const {
       SslHmacChannelAuthenticator::CreateForHost(
           local_cert_, local_private_key_.get(), shared_secret_);
   result->SetLegacyOneWayMode(SslHmacChannelAuthenticator::RECEIVE_ONLY);
-  return scoped_ptr<ChannelAuthenticator>(result.Pass());
+  return result.PassAs<ChannelAuthenticator>();
 };
 
 }  // namespace remoting