[vr] Bail on unhandled code points.

chrome/browser/android/vr_shell/vr_gl_thread.h

Index: chrome/browser/android/vr_shell/vr_gl_thread.h
diff --git a/chrome/browser/android/vr_shell/vr_gl_thread.h b/chrome/browser/android/vr_shell/vr_gl_thread.h
index 3f8f437299c9f3cc87a79c9a36bba559b36f0e4b..b4b335fef9ac6c6a4044bfb3b8aa1493078c2264 100644
--- a/chrome/browser/android/vr_shell/vr_gl_thread.h
+++ b/chrome/browser/android/vr_shell/vr_gl_thread.h
@@ -11,6 +11,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread.h"
+#include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/vr_browser_interface.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
 
@@ -60,6 +61,7 @@ class VrGLThread : public base::Thread,
   void NavigateBack() override;
   void ExitCct() override;
   void ToggleCardboardGamepad(bool enabled) override;
+  void OnUnsupportedMode(UiUnsupportedMode mode) override;
 
   // UiInterface implementation (VrShell calling to the UI).
   void SetFullscreen(bool enabled) override;