Omnibox improvements and fixes.

chrome/browser/android/vr_shell/vr_web_contents_observer.h

Index: chrome/browser/android/vr_shell/vr_web_contents_observer.h
diff --git a/chrome/browser/android/vr_shell/vr_web_contents_observer.h b/chrome/browser/android/vr_shell/vr_web_contents_observer.h
index 45701909508ec9df1455fe3ca90a210df0ff5520..ed637d2ac2f29f3c18f4ef7b0d1c666c05566479 100644
--- a/chrome/browser/android/vr_shell/vr_web_contents_observer.h
+++ b/chrome/browser/android/vr_shell/vr_web_contents_observer.h
@@ -38,6 +38,8 @@ class CONTENT_EXPORT VrWebContentsObserver
       bool entered_fullscreen, bool will_cause_resize) override;
 
  private:
+  void SetSecurityLevel();
+
   // This class does not own the UI interface.
   UiInterface* ui_interface_;