Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/chromeos/login/ui/simple_web_view_dialog.h

Index: chrome/browser/chromeos/login/ui/simple_web_view_dialog.h
diff --git a/chrome/browser/chromeos/login/ui/simple_web_view_dialog.h b/chrome/browser/chromeos/login/ui/simple_web_view_dialog.h
index 29ed1437e142ad6fd91ba21d27d3c3bd68e37df3..22ca3d9829f806859b1d08cae80483bedc3c411f 100644
--- a/chrome/browser/chromeos/login/ui/simple_web_view_dialog.h
+++ b/chrome/browser/chromeos/login/ui/simple_web_view_dialog.h
@@ -12,7 +12,6 @@
 #include "chrome/browser/command_updater_delegate.h"
 #include "chrome/browser/ui/toolbar/chrome_toolbar_model_delegate.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
-#include "components/security_state/security_state_model.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "ui/views/controls/button/image_button.h"
@@ -24,6 +23,10 @@ class Profile;
 class ReloadButton;
 class ToolbarModel;
 
+namespace security_state {
+struct SecurityInfo;
+}  // namespace security_state
+
 namespace views {
 class WebView;
 class Widget;
@@ -85,8 +88,7 @@ class SimpleWebViewDialog : public views::ButtonListener,
   void ShowWebsiteSettings(
       content::WebContents* web_contents,
       const GURL& virtual_url,
-      const security_state::SecurityStateModel::SecurityInfo& security_info)
-      override;
+      const security_state::SecurityInfo& security_info) override;
 
   // Implements ChromeToolbarModelDelegate:
   content::WebContents* GetActiveWebContents() const override;