Add SecurityStateModelClient interface and implementation

chrome/browser/ssl/security_state_model.h

Index: chrome/browser/ssl/security_state_model.h
diff --git a/chrome/browser/ssl/security_state_model.h b/chrome/browser/ssl/security_state_model.h
index 8989efb676d4dc249f84dd745deebe3db9b9db4d..155d52b1eeb951a36f7d59f02ec4bb1046048175 100644
--- a/chrome/browser/ssl/security_state_model.h
+++ b/chrome/browser/ssl/security_state_model.h
@@ -19,6 +19,7 @@ class WebContents;
 }  // namespace content
 
 class Profile;
+class SecurityStateModelDelegate;
 
 // SecurityStateModel provides high-level security information about a
 // page or request. It is attached to a WebContents and will provide the
@@ -134,7 +135,8 @@ class SecurityStateModel
   // given |profile|.
   static void SecurityInfoForRequest(const GURL& url,
                                      const content::SSLStatus& ssl,
-                                     Profile* profile,
+                                     Profile* prfoile,

[blundell, 2015/11/23 16:06:17]

nit: I liked the spelling better before ;).

[estark, 2015/11/23 16:23:39]

Doh. Done.

+                                     bool used_known_mitm_certificate,
                                      SecurityInfo* security_info);
 
  private:
@@ -151,6 +153,8 @@ class SecurityStateModel
   mutable GURL visible_url_;
   mutable content::SSLStatus visible_ssl_status_;
 
+  scoped_ptr<SecurityStateModelDelegate> delegate_;

[blundell, 2015/11/23 16:06:17]

nit: Let's add a comment here explaining how this will shortly be injected with
a TODO(estark).

[estark, 2015/11/23 16:23:40]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(SecurityStateModel);
 };