Move crypto files out of base, to a top level directory.

remoting/host/host_key_pair.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_HOST_KEY_PAIR_H_
 #define REMOTING_HOST_HOST_KEY_PAIR_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/task.h"
 
-namespace base {
+namespace crypto {
 class RSAPrivateKey;
 }  // namespace base
 
 namespace net {
 class X509Certificate;
 }  // namespace net
 
 namespace remoting {
 
 class HostConfig;
 class MutableHostConfig;
 
 class HostKeyPair {
  public:
   HostKeyPair();
   ~HostKeyPair();
 
   void Generate();
   bool LoadFromString(const std::string& key_base64);
   bool Load(HostConfig* host_config);
   void Save(MutableHostConfig* host_config);
 
   std::string GetPublicKey() const;
   std::string GetSignature(const std::string& message) const;
 
   // Make a new copy of private key. Caller will own the generated private key.
-  base::RSAPrivateKey* CopyPrivateKey() const;
+  crypto::RSAPrivateKey* CopyPrivateKey() const;
   net::X509Certificate* GenerateCertificate() const;
 
  private:
-  scoped_ptr<base::RSAPrivateKey> key_;
+  scoped_ptr<crypto::RSAPrivateKey> key_;
 };
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::HostKeyPair);
 
 #endif  // REMOTING_HOST_HOST_KEY_PAIR_H_