VR: Enable browsing for CCT and make ui_scene_manager aware of whether we're in CCT.

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 5f19ed61124d132671b78a69c9d47248e4bbcac6..b1729d2742fb3dae77fb7321ddb4eff0551699fd 100644
--- a/chrome/browser/android/vr_shell/ui_scene_manager.h
+++ b/chrome/browser/android/vr_shell/ui_scene_manager.h
@@ -18,7 +18,7 @@ class VrBrowserInterface;
 
 class UiSceneManager {
  public:
-  UiSceneManager(VrBrowserInterface* browser, UiScene* scene);
+  UiSceneManager(VrBrowserInterface* browser, UiScene* scene, bool in_cct);
   ~UiSceneManager();
 
   base::WeakPtr<UiSceneManager> GetWeakPtr();
@@ -48,6 +48,7 @@ class UiSceneManager {
   bool web_vr_mode_ = false;
   bool secure_origin_ = false;
   bool content_rendering_enabled_ = true;
+  bool in_cct_;
 
   int next_available_id_ = 1;