Move HostKeyPair into protocol::KeyPair.

remoting/protocol/v2_authenticator.cc

Index: remoting/protocol/v2_authenticator.cc
diff --git a/remoting/protocol/v2_authenticator.cc b/remoting/protocol/v2_authenticator.cc
index 95b42d53270639c2d8f5c92fd41fe6f59ffd469a..d1d9f56c1f0146ebcca2b1e4ba5cc27f361dc04a 100644
--- a/remoting/protocol/v2_authenticator.cc
+++ b/remoting/protocol/v2_authenticator.cc
@@ -6,7 +6,6 @@
 
 #include "base/base64.h"
 #include "base/logging.h"
-#include "crypto/rsa_private_key.h"
 #include "remoting/base/constants.h"
 #include "remoting/protocol/ssl_hmac_channel_authenticator.h"
 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
@@ -45,13 +44,13 @@ scoped_ptr<Authenticator> V2Authenticator::CreateForClient(
 // static
 scoped_ptr<Authenticator> V2Authenticator::CreateForHost(
     const std::string& local_cert,
-    const crypto::RSAPrivateKey& local_private_key,
+    scoped_refptr<RsaKeyPair> key_pair,
     const std::string& shared_secret,
     Authenticator::State initial_state) {
   scoped_ptr<V2Authenticator> result(new V2Authenticator(
       P224EncryptedKeyExchange::kPeerTypeServer, shared_secret, initial_state));
   result->local_cert_ = local_cert;
-  result->local_private_key_.reset(local_private_key.Copy());
+  result->local_key_pair_ = key_pair;
   return scoped_ptr<Authenticator>(result.Pass());
 }
 
@@ -187,7 +186,7 @@ V2Authenticator::CreateChannelAuthenticator() const {
   if (is_host_side()) {
     return scoped_ptr<ChannelAuthenticator>(
         SslHmacChannelAuthenticator::CreateForHost(
-            local_cert_, local_private_key_.get(), auth_key_).Pass());
+            local_cert_, local_key_pair_, auth_key_).Pass());
   } else {
     return scoped_ptr<ChannelAuthenticator>(
         SslHmacChannelAuthenticator::CreateForClient(
@@ -196,7 +195,7 @@ V2Authenticator::CreateChannelAuthenticator() const {
 }
 
 bool V2Authenticator::is_host_side() const {
-  return local_private_key_.get() != NULL;
+  return local_key_pair_.get() != NULL;
 }
 
 }  // namespace protocol