Revert of Refactor connection_security into SecurityStateModel

chrome/browser/ui/extensions/hosted_app_browser_controller.cc

Index: chrome/browser/ui/extensions/hosted_app_browser_controller.cc
diff --git a/chrome/browser/ui/extensions/hosted_app_browser_controller.cc b/chrome/browser/ui/extensions/hosted_app_browser_controller.cc
index f59a7fdfa128411c7f20f7e5a4de42462434c6eb..220f990d43e352e93995f7624e4e9d393a1823f3 100644
--- a/chrome/browser/ui/extensions/hosted_app_browser_controller.cc
+++ b/chrome/browser/ui/extensions/hosted_app_browser_controller.cc
@@ -6,7 +6,7 @@
 
 #include "base/command_line.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ssl/security_state_model.h"
+#include "chrome/browser/ssl/connection_security.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/host_desktop.h"
@@ -77,7 +77,7 @@
       ExtensionRegistry::Get(browser_->profile())->GetExtensionById(
           extension_id_, ExtensionRegistry::EVERYTHING);
 
-  content::WebContents* web_contents =
+  const content::WebContents* web_contents =
       browser_->tab_strip_model()->GetActiveWebContents();
 
   // Default to not showing the location bar if either |extension| or
@@ -92,10 +92,9 @@
   if (web_contents->GetLastCommittedURL().is_empty())
     return false;
 
-  SecurityStateModel* model = SecurityStateModel::FromWebContents(web_contents);
-  if (model &&
-      model->security_info().security_level ==
-          SecurityStateModel::SECURITY_ERROR)
+  connection_security::SecurityLevel security_level =
+      connection_security::GetSecurityLevelForWebContents(web_contents);
+  if (security_level == connection_security::SECURITY_ERROR)
     return true;
 
   GURL launch_url = AppLaunchInfo::GetLaunchWebURL(extension);