Make ConnectionSecurityHelper a namespace instead of a class

chrome/browser/ui/toolbar/test_toolbar_model.h

Index: chrome/browser/ui/toolbar/test_toolbar_model.h
diff --git a/chrome/browser/ui/toolbar/test_toolbar_model.h b/chrome/browser/ui/toolbar/test_toolbar_model.h
index d604a80213ac4878826de88030dd6c8f873447a0..2d676268e57da806ba6a3be74c04e4f9d5d1f17c 100644
--- a/chrome/browser/ui/toolbar/test_toolbar_model.h
+++ b/chrome/browser/ui/toolbar/test_toolbar_model.h
@@ -21,11 +21,11 @@ class TestToolbarModel : public ToolbarModel {
   base::string16 GetCorpusNameForMobile() const override;
   GURL GetURL() const override;
   bool WouldPerformSearchTermReplacement(bool ignore_editing) const override;
-  ConnectionSecurityHelper::SecurityLevel GetSecurityLevel(
+  connection_security::SecurityLevel GetSecurityLevel(
       bool ignore_editing) const override;
   int GetIcon() const override;
   int GetIconForSecurityLevel(
-      ConnectionSecurityHelper::SecurityLevel level) const override;
+      connection_security::SecurityLevel level) const override;
   base::string16 GetEVCertName() const override;
   bool ShouldDisplayURL() const override;
 
@@ -35,8 +35,7 @@ class TestToolbarModel : public ToolbarModel {
       bool perform_search_term_replacement) {
     perform_search_term_replacement_ = perform_search_term_replacement;
   }
-  void set_security_level(
-      ConnectionSecurityHelper::SecurityLevel security_level) {
+  void set_security_level(connection_security::SecurityLevel security_level) {
     security_level_ = security_level;
   }
   void set_icon(int icon) { icon_ = icon; }
@@ -51,7 +50,7 @@ class TestToolbarModel : public ToolbarModel {
   base::string16 text_;
   GURL url_;
   bool perform_search_term_replacement_;
-  ConnectionSecurityHelper::SecurityLevel security_level_;
+  connection_security::SecurityLevel security_level_;
   int icon_;
   base::string16 ev_cert_name_;
   bool should_display_url_;