VR: Fix HTTP warning staying visible after exiting WebVR.

chrome/browser/android/vr_shell/ui_scene.cc

Index: chrome/browser/android/vr_shell/ui_scene.cc
diff --git a/chrome/browser/android/vr_shell/ui_scene.cc b/chrome/browser/android/vr_shell/ui_scene.cc
index 52e3684fc81ae548040b4ae998be3f0afca9bc13..d470fed1b14635bb9cc8a57b6154150102d583fe 100644
--- a/chrome/browser/android/vr_shell/ui_scene.cc
+++ b/chrome/browser/android/vr_shell/ui_scene.cc
@@ -121,7 +121,7 @@ void UiScene::OnBeginFrame(const base::TimeTicks& current_time) {
   }
 }
 
-UiElement* UiScene::GetUiElementById(int element_id) {
+UiElement* UiScene::GetUiElementById(int element_id) const {
   for (const auto& element : ui_elements_) {
     if (element->id() == element_id) {
       return element.get();
@@ -130,6 +130,16 @@ UiElement* UiScene::GetUiElementById(int element_id) {
   return nullptr;
 }
 
+UiElement* UiScene::GetUiElementByDebugId(UiElementDebugId debug_id) const {
+  DCHECK(debug_id != UiElementDebugId::kNone);
+  for (const auto& element : ui_elements_) {
+    if (element->debug_id() == debug_id) {
+      return element.get();
+    }
+  }
+  return nullptr;
+}
+
 std::vector<const UiElement*> UiScene::GetWorldElements() const {
   std::vector<const UiElement*> elements;
   for (const auto& element : ui_elements_) {