[vr] Bail on unhandled code points.

chrome/browser/android/vr_shell/ui_scene_manager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
+#include "chrome/browser/android/vr_shell/ui_unsupported_mode.h"
 #include "device/vr/vr_types.h"
 
 namespace vr_shell {
 
 class LoadingIndicator;
 class UiElement;
 class UiScene;
 class UrlBar;
 class VrBrowserInterface;
 
@@ skipping 36 matching lines @@
   void CreateUrlBar();
   void CreateCloseButton();
   void CreateExitWarning();
 
   void ConfigureScene();
   void ConfigureSecurityWarnings();
   void UpdateBackgroundColor();
   void OnSecurityWarningTimer();
   void OnBackButtonClicked();
   void OnCloseButtonClicked();
+  void OnUnsupportedMode(UiUnsupportedMode mode);
   int AllocateId();
   const ColorScheme& color_scheme() const;
 
   VrBrowserInterface* browser_;
   UiScene* scene_;
 
   // UI element pointers (not owned by the scene manager).
   UiElement* permanent_security_warning_ = nullptr;
   UiElement* transient_security_warning_ = nullptr;
   UiElement* exit_warning_ = nullptr;
@@ skipping 22 matching lines @@
   base::OneShotTimer security_warning_timer_;
 
   base::WeakPtrFactory<UiSceneManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UiSceneManager);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_