Make ConnectionSecurityHelper a namespace instead of a class

chrome/browser/ui/toolbar/toolbar_model_impl.h

Index: chrome/browser/ui/toolbar/toolbar_model_impl.h
diff --git a/chrome/browser/ui/toolbar/toolbar_model_impl.h b/chrome/browser/ui/toolbar/toolbar_model_impl.h
index 0bea04547653ca6e755339fa0c8e684e903774e4..b8f8cf5fe4076db2059a9d1c3356e3efd91536ad 100644
--- a/chrome/browser/ui/toolbar/toolbar_model_impl.h
+++ b/chrome/browser/ui/toolbar/toolbar_model_impl.h
@@ -40,11 +40,11 @@ class ToolbarModelImpl : public ToolbarModel {
   base::string16 GetCorpusNameForMobile() const override;
   GURL GetURL() const override;
   bool WouldPerformSearchTermReplacement(bool ignore_editing) const override;
-  ConnectionSecurityHelper::SecurityLevel GetSecurityLevel(
+  ConnectionSecurityStatus::SecurityLevel GetSecurityLevel(
       bool ignore_editing) const override;
   int GetIcon() const override;
   int GetIconForSecurityLevel(
-      ConnectionSecurityHelper::SecurityLevel level) const override;
+      ConnectionSecurityStatus::SecurityLevel level) const override;
   base::string16 GetEVCertName() const override;
   bool ShouldDisplayURL() const override;