Pull SecurityStateModel out into a component

components/security_state/security_state_model_client.h

 // Copyright 2015 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 CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_CLIENT_H_
-#define CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_CLIENT_H_
+#ifndef COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_CLIENT_H_
+#define COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_CLIENT_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "chrome/browser/ssl/security_state_model.h"
+#include "components/security_state/security_state_model.h"
 #include "net/cert/cert_status_flags.h"
 
 namespace net {
 class X509Certificate;
 }  // namespace net
 
+namespace security_state {
+
 // Provides embedder-specific information that a SecurityStateModel
 // needs to determine the page's security status.
 class SecurityStateModelClient {
  public:
   SecurityStateModelClient() {}
   virtual ~SecurityStateModelClient() {}
 
   // Retrieves the visible security state that is relevant to the
   // SecurityStateModel.
   virtual void GetVisibleSecurityState(
       SecurityStateModel::VisibleSecurityState* state) = 0;
 
   // Returns the certificate used to load the page or request.
   virtual bool RetrieveCert(scoped_refptr<net::X509Certificate>* cert) = 0;
 
   // Returns true if the page or request is known to be loaded with a
   // certificate installed by the system administrator.
   virtual bool UsedPolicyInstalledCertificate() = 0;
 
   // Returns true if the given |url|'s origin should be considered secure.
   virtual bool IsOriginSecure(const GURL& url) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SecurityStateModelClient);
 };
 
-#endif  // CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_CLIENT_H_
+}  // namespace security_state
+
+#endif  // COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_CLIENT_H_