Move HostKeyPair into protocol::KeyPair.

remoting/protocol/it2me_host_authenticator_factory.cc

Index: remoting/protocol/it2me_host_authenticator_factory.cc
diff --git a/remoting/protocol/it2me_host_authenticator_factory.cc b/remoting/protocol/it2me_host_authenticator_factory.cc
index cc8a0b5d7ca6b614c30193c09e5cdbba09860c1b..1fb24a7cc754f6540365d002cdf60c6273920df8 100644
--- a/remoting/protocol/it2me_host_authenticator_factory.cc
+++ b/remoting/protocol/it2me_host_authenticator_factory.cc
@@ -5,7 +5,7 @@
 #include "remoting/protocol/it2me_host_authenticator_factory.h"
 
 #include "base/logging.h"
-#include "crypto/rsa_private_key.h"
+#include "remoting/protocol/key_pair.h"
 #include "remoting/protocol/negotiating_authenticator.h"
 
 namespace remoting {
@@ -13,10 +13,10 @@ namespace protocol {
 
 It2MeHostAuthenticatorFactory::It2MeHostAuthenticatorFactory(
     const std::string& local_cert,
-    const crypto::RSAPrivateKey& local_private_key,
+    scoped_ptr<KeyPair> key_pair,
     const std::string& shared_secret)
     : local_cert_(local_cert),
-      local_private_key_(local_private_key.Copy()),
+      key_pair_(key_pair.Pass()),
       shared_secret_(shared_secret) {
 }
 
@@ -28,7 +28,7 @@ scoped_ptr<Authenticator> It2MeHostAuthenticatorFactory::CreateAuthenticator(
     const std::string& remote_jid,
     const buzz::XmlElement* first_message) {
   return NegotiatingAuthenticator::CreateForHost(
-      local_cert_, *local_private_key_, shared_secret_,
+      local_cert_, key_pair_->Copy(), shared_secret_,
       AuthenticationMethod::NONE);
 }