[vr] Bail on unhandled code points.

chrome/browser/android/vr_shell/textures/ui_texture.h

Index: chrome/browser/android/vr_shell/textures/ui_texture.h
diff --git a/chrome/browser/android/vr_shell/textures/ui_texture.h b/chrome/browser/android/vr_shell/textures/ui_texture.h
index ca2e52ec38b535794c443636d71c76270772978f..128aa2d74a7d42f72b35939632e51e93daa8c85d 100644
--- a/chrome/browser/android/vr_shell/textures/ui_texture.h
+++ b/chrome/browser/android/vr_shell/textures/ui_texture.h
@@ -78,7 +78,9 @@ class UiTexture {
 
   static bool IsRTL();
   static gfx::FontList GetDefaultFontList(int size);
+  bool CheckFontList(int size, base::string16 text);
   static gfx::FontList GetFontList(int size, base::string16 text);
+  static void SetForceFontFallbackFailureForTesting(bool force);
 
  private:
   bool dirty_ = true;