Pull SecurityStateModel out into a component

components/security_state/security_state_model.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_H_
-#define CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_H_
+#ifndef COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_H_
+#define COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_H_
 
 #include "base/macros.h"
 #include "net/cert/cert_status_flags.h"
 #include "net/cert/sct_status_flags.h"
 #include "net/cert/x509_certificate.h"
 #include "url/gurl.h"
 
-class Profile;
+namespace security_state {
+
 class SecurityStateModelClient;
 
 // SecurityStateModel provides high-level security information about a
 // page or request.
 //
 // SecurityStateModel::SecurityInfo is the main data structure computed
 // by a SecurityStateModel. SecurityInfo contains a SecurityLevel (which
 // is a single value describing the overall security state) along with
 // information that a consumer might want to display in UI to explain or
 // elaborate on the SecurityLevel.
@@ skipping 131 matching lines @@
   // mutable so that the const accessor GetSecurityInfo() can update the
   // cached values.
   mutable SecurityInfo security_info_;
   mutable VisibleSecurityState visible_security_state_;
 
   SecurityStateModelClient* client_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityStateModel);
 };
 
-#endif  // CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_H_
+}  // namespace security_state
+
+#endif  // COMPONENTS_SECURITY_STATE_SECURITY_STATE_MODEL_H_