Draw WebVR security overlay with a non-reprojected viewport

chrome/browser/android/vr_shell/vr_shell.h

Index: chrome/browser/android/vr_shell/vr_shell.h
diff --git a/chrome/browser/android/vr_shell/vr_shell.h b/chrome/browser/android/vr_shell/vr_shell.h
index a1795da49479785615db14724fba575728e6ce4b..b375403914b447e84de0f1a2d9a596e93c9c7d2d 100644
--- a/chrome/browser/android/vr_shell/vr_shell.h
+++ b/chrome/browser/android/vr_shell/vr_shell.h
@@ -150,6 +150,8 @@ class VrShell : public device::GvrDelegate {
   std::unique_ptr<gvr::GvrApi> gvr_api_;
   std::unique_ptr<gvr::BufferViewportList> buffer_viewport_list_;
   std::unique_ptr<gvr::BufferViewport> buffer_viewport_;
+  std::unique_ptr<gvr::BufferViewport> headlocked_left_viewport_;
+  std::unique_ptr<gvr::BufferViewport> headlocked_right_viewport_;
   std::unique_ptr<gvr::SwapChain> swap_chain_;
 
   gvr::Sizei render_size_;
@@ -174,6 +176,7 @@ class VrShell : public device::GvrDelegate {
   VrInputManager* current_input_target_ = nullptr;
   int ui_tex_width_ = 0;
   int ui_tex_height_ = 0;
+  bool dom_contents_loaded_ = false;
 
   bool webvr_mode_ = false;
   bool webvr_secure_origin_ = false;