VR: Fix HTTP warning staying visible after exiting WebVR.

chrome/browser/android/vr_shell/ui_scene_manager.cc

Index: chrome/browser/android/vr_shell/ui_scene_manager.cc
diff --git a/chrome/browser/android/vr_shell/ui_scene_manager.cc b/chrome/browser/android/vr_shell/ui_scene_manager.cc
index bcabd907ff32f1ba0badcfedd5b4fd8ccaceaeee..99c3d494a2e7c83f5fe5726ce00b504613c590b1 100644
--- a/chrome/browser/android/vr_shell/ui_scene_manager.cc
+++ b/chrome/browser/android/vr_shell/ui_scene_manager.cc
@@ -14,6 +14,7 @@
 #include "chrome/browser/android/vr_shell/ui_elements/permanent_security_warning.h"
 #include "chrome/browser/android/vr_shell/ui_elements/transient_security_warning.h"
 #include "chrome/browser/android/vr_shell/ui_elements/ui_element.h"
+#include "chrome/browser/android/vr_shell/ui_elements/ui_element_identifiers.h"
 #include "chrome/browser/android/vr_shell/ui_elements/url_bar.h"
 #include "chrome/browser/android/vr_shell/ui_elements/video_capture_indicator.h"
 #include "chrome/browser/android/vr_shell/ui_scene.h"
@@ -84,6 +85,7 @@ UiSceneManager::UiSceneManager(VrBrowserInterface* browser,
     CreateCloseButton();
 
   ConfigureScene();
+  ConfigureSecurityWarnings();
 }
 
 UiSceneManager::~UiSceneManager() {}
@@ -94,6 +96,7 @@ void UiSceneManager::CreateSecurityWarnings() {
   // TODO(mthiesse): Programatically compute the proper texture size for these
   // textured UI elements.
   element = base::MakeUnique<PermanentSecurityWarning>(512);
+  element->set_identifier(kWebVrPermanentHttpSecurityWarning);
   element->set_id(AllocateId());
   element->set_fill(vr_shell::Fill::NONE);
   element->set_size({kPermanentWarningWidth, kPermanentWarningHeight, 1});
@@ -109,6 +112,7 @@ void UiSceneManager::CreateSecurityWarnings() {
   scene_->AddUiElement(std::move(element));
 
   element = base::MakeUnique<TransientSecurityWarning>(1024);
+  element->set_identifier(kWebVrTransientHttpSecurityWarning);
   element->set_id(AllocateId());
   element->set_fill(vr_shell::Fill::NONE);
   element->set_size({kTransientWarningWidth, kTransientWarningHeight, 1});
@@ -268,6 +272,7 @@ void UiSceneManager::SetWebVrMode(bool web_vr) {
     return;
   web_vr_mode_ = web_vr;
   ConfigureScene();
+  ConfigureSecurityWarnings();
 }
 
 void UiSceneManager::ConfigureScene() {