Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/ui/browser_dialogs.h

Index: chrome/browser/ui/browser_dialogs.h
diff --git a/chrome/browser/ui/browser_dialogs.h b/chrome/browser/ui/browser_dialogs.h
index e1d3c652dd605fa720e9959ef115a6f73ef90620..c711a30584ebf7a8058516849064f64d7ed5a1b3 100644
--- a/chrome/browser/ui/browser_dialogs.h
+++ b/chrome/browser/ui/browser_dialogs.h
@@ -12,7 +12,6 @@
 #include "base/callback.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
-#include "components/security_state/security_state_model.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/native_widget_types.h"
 
@@ -54,6 +53,10 @@ class AuthChallengeInfo;
 class URLRequest;
 }
 
+namespace security_state {
+struct SecurityInfo;
+}  // namespace security_state
+
 namespace task_manager {
 class TaskManagerTableModel;
 }
@@ -134,7 +137,7 @@ void ShowWebsiteSettingsBubbleViewsAtPoint(
     Profile* profile,
     content::WebContents* web_contents,
     const GURL& virtual_url,
-    const security_state::SecurityStateModel::SecurityInfo& security_info);
+    const security_state::SecurityInfo& security_info);
 
 // Show a Views bookmark bubble at the given point. This occurs when the
 // bookmark star is clicked or "Bookmark This Page..." is selected from a menu