Move SecurityLevel into a class of its own

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
index d4aebcc0dd4736295f3f9f5222d27df9836fa7f4..974d9f1005fdfe869e42c9bab88f81c62b8285be 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
@@ -14,6 +14,7 @@
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/search/search.h"
+#include "chrome/browser/ssl/security_level_policy.h"
 #include "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.h"
 #include "chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.h"
@@ -512,23 +513,23 @@ void OmniboxViewMac::ApplyTextAttributes(const base::string16& display_text,
   // TODO(shess): GTK has this as a member var, figure out why.
   // [Could it be to not change if no change?  If so, I'm guessing
   // AppKit may already handle that.]
-  const ToolbarModel::SecurityLevel security_level =
+  const SecurityLevelPolicy::SecurityLevel security_level =
       controller()->GetToolbarModel()->GetSecurityLevel(false);
 
   // Emphasize the scheme for security UI display purposes (if necessary).
   if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() &&
-      scheme.is_nonempty() && (security_level != ToolbarModel::NONE)) {
+      scheme.is_nonempty() && (security_level != SecurityLevelPolicy::NONE)) {
     NSColor* color;
-    if (security_level == ToolbarModel::EV_SECURE ||
-        security_level == ToolbarModel::SECURE) {
+    if (security_level == SecurityLevelPolicy::EV_SECURE ||
+        security_level == SecurityLevelPolicy::SECURE) {
       color = SecureSchemeColor();
-    } else if (security_level == ToolbarModel::SECURITY_ERROR) {
+    } else if (security_level == SecurityLevelPolicy::SECURITY_ERROR) {
       color = SecurityErrorSchemeColor();
       // Add a strikethrough through the scheme.
       [as addAttribute:NSStrikethroughStyleAttributeName
                  value:[NSNumber numberWithInt:NSUnderlineStyleSingle]
                  range:ComponentToNSRange(scheme)];
-    } else if (security_level == ToolbarModel::SECURITY_WARNING) {
+    } else if (security_level == SecurityLevelPolicy::SECURITY_WARNING) {
       color = BaseTextColor();
     } else {
       NOTREACHED();