Switch SecurityStateModel ownership to ChromeSecurityStateModelClient

chrome/browser/ssl/chrome_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_CHROME_SECURITY_STATE_MODEL_CLIENT_H_
 #define CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_CLIENT_H_
 
 #include "base/macros.h"
+#include "chrome/browser/ssl/security_state_model.h"
 #include "chrome/browser/ssl/security_state_model_client.h"
+#include "content/public/browser/web_contents_user_data.h"
 
 namespace content {
 class WebContents;
 }  // namespace content
 
 // Uses a WebContents to provide a SecurityStateModel with the
 // information that it needs to determine the page's security status.
-class ChromeSecurityStateModelClient : public SecurityStateModelClient {
+class ChromeSecurityStateModelClient
+    : public SecurityStateModelClient,
+      public content::WebContentsUserData<ChromeSecurityStateModelClient> {
  public:
-  explicit ChromeSecurityStateModelClient(content::WebContents* web_contents);
   ~ChromeSecurityStateModelClient() override;
 
+  const SecurityStateModel::SecurityInfo& GetSecurityInfo() const;
+
   // SecurityStateModelClient:
   bool RetrieveCert(scoped_refptr<net::X509Certificate>* cert) override;
   bool UsedPolicyInstalledCertificate() override;
 
  private:
+  explicit ChromeSecurityStateModelClient(content::WebContents* web_contents);
+  friend class content::WebContentsUserData<ChromeSecurityStateModelClient>;
+
   content::WebContents* web_contents_;
+  scoped_ptr<SecurityStateModel> security_state_model_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeSecurityStateModelClient);
 };
 
 #endif  // CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_CLIENT_H_