Move HostKeyPair into protocol::KeyPair.

remoting/protocol/it2me_host_authenticator_factory.h

Index: remoting/protocol/it2me_host_authenticator_factory.h
diff --git a/remoting/protocol/it2me_host_authenticator_factory.h b/remoting/protocol/it2me_host_authenticator_factory.h
index c526cbfd95958c65beec9980a108857070f646f7..4c9a9bed5559fb1b486d2a732ca8e4b3cb9a1132 100644
--- a/remoting/protocol/it2me_host_authenticator_factory.h
+++ b/remoting/protocol/it2me_host_authenticator_factory.h
@@ -12,20 +12,18 @@
 #include "base/memory/scoped_ptr.h"
 #include "remoting/protocol/authenticator.h"
 
-namespace crypto {
-class RSAPrivateKey;
-}  // namespace crypto
-
 namespace remoting {
 namespace protocol {
 
+class KeyPair;
+
 // It2MeHostAuthenticatorFactory implements AuthenticatorFactory and
 // understands both the V2 and legacy V1 authentication mechanisms.
 class It2MeHostAuthenticatorFactory : public AuthenticatorFactory {
  public:
   It2MeHostAuthenticatorFactory(
       const std::string& local_cert,
-      const crypto::RSAPrivateKey& local_private_key,
+      scoped_ptr<KeyPair> key_pair,
       const std::string& shared_secret);
   virtual ~It2MeHostAuthenticatorFactory();
 
@@ -37,7 +35,7 @@ class It2MeHostAuthenticatorFactory : public AuthenticatorFactory {
 
  private:
   std::string local_cert_;
-  scoped_ptr<crypto::RSAPrivateKey> local_private_key_;
+  scoped_ptr<KeyPair> key_pair_;
   std::string shared_secret_;
 
   DISALLOW_COPY_AND_ASSIGN(It2MeHostAuthenticatorFactory);