[vr] Bail on unhandled code points.

chrome/browser/android/vr_shell/ui_elements/url_bar.h

Index: chrome/browser/android/vr_shell/ui_elements/url_bar.h
diff --git a/chrome/browser/android/vr_shell/ui_elements/url_bar.h b/chrome/browser/android/vr_shell/ui_elements/url_bar.h
index 4c83ca1c159cd220cbcb410809bc479e39fe8a8d..c92718b3b5bf329c2e3ead3cacf77f64eae5b70f 100644
--- a/chrome/browser/android/vr_shell/ui_elements/url_bar.h
+++ b/chrome/browser/android/vr_shell/ui_elements/url_bar.h
@@ -19,7 +19,7 @@ class UrlBarTexture;
 
 class UrlBar : public TexturedElement {
  public:
-  explicit UrlBar(int preferred_width);
+  UrlBar(int preferred_width, const base::Callback<void()>& failure_callback);
   ~UrlBar() override;
 
   void OnHoverEnter(const gfx::PointF& position) override;