VR: Render the current URL and security level on the URL bar.

chrome/browser/android/vr_shell/ui_scene_manager.h

Index: chrome/browser/android/vr_shell/ui_scene_manager.h
diff --git a/chrome/browser/android/vr_shell/ui_scene_manager.h b/chrome/browser/android/vr_shell/ui_scene_manager.h
index e28dc81722e79f5f6086d22fdf1272bf538d71f2..90a7dcce67865e684d77e664e6e207678a543331 100644
--- a/chrome/browser/android/vr_shell/ui_scene_manager.h
+++ b/chrome/browser/android/vr_shell/ui_scene_manager.h
@@ -30,8 +30,8 @@ class UiSceneManager {
 
   base::WeakPtr<UiSceneManager> GetWeakPtr();
 
-  void SetWebVrSecureOrigin(bool secure);
   void SetWebVrMode(bool web_vr);
+  void SetWebVrSecureOrigin(bool secure);
   void SetURL(const GURL& gurl);
   // These methods are currently stubbed.
   void SetFullscreen(bool enabled);
@@ -51,6 +51,7 @@ class UiSceneManager {
 
   void ConfigureSecurityWarnings();
   void OnSecurityWarningTimer();
+  void OnBackButtonClicked();
   int AllocateId();
 
   VrBrowserInterface* browser_;