Make ConnectionSecurityHelper a namespace instead of a class

chrome/browser/ui/toolbar/toolbar_model.h

Index: chrome/browser/ui/toolbar/toolbar_model.h
diff --git a/chrome/browser/ui/toolbar/toolbar_model.h b/chrome/browser/ui/toolbar/toolbar_model.h
index cdc704355118827ab564b8c59dd32130d87ce6c6..582c65a1e59500ba831b6271270815920f2184a7 100644
--- a/chrome/browser/ui/toolbar/toolbar_model.h
+++ b/chrome/browser/ui/toolbar/toolbar_model.h
@@ -9,7 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
-#include "chrome/browser/ssl/connection_security_helper.h"
+#include "chrome/browser/ssl/connection_security.h"
 #include "url/gurl.h"
 
 namespace net {
@@ -63,7 +63,7 @@ class ToolbarModel {
   // |ignore_editing| is true, the result reflects the underlying state of the
   // page without regard to any user edits that may be in progress in the
   // omnibox.
-  virtual ConnectionSecurityHelper::SecurityLevel GetSecurityLevel(
+  virtual connection_security::SecurityLevel GetSecurityLevel(
       bool ignore_editing) const = 0;
 
   // Returns the resource_id of the icon to show to the left of the address,
@@ -75,7 +75,7 @@ class ToolbarModel {
   // As |GetIcon()|, but returns the icon only taking into account the security
   // |level| given, ignoring search term replacement state.
   virtual int GetIconForSecurityLevel(
-      ConnectionSecurityHelper::SecurityLevel level) const = 0;
+      connection_security::SecurityLevel level) const = 0;
 
   // Returns the name of the EV cert holder.  This returns an empty string if
   // the security level is not EV_SECURE.