[vr] Clicking on the security icon should prompt the user to bail out of VR

chrome/browser/android/vr_shell/vr_shell.cc

Index: chrome/browser/android/vr_shell/vr_shell.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell.cc b/chrome/browser/android/vr_shell/vr_shell.cc
index 1e154e27a664b0dc11ce742606f9f6305b0f9606..9fce75e3cd3e43bc4856428d2c86093ffb5eac40 100644
--- a/chrome/browser/android/vr_shell/vr_shell.cc
+++ b/chrome/browser/android/vr_shell/vr_shell.cc
@@ -585,6 +585,13 @@ void VrShell::ExitFullscreen() {
 }
 
 void VrShell::ExitVrDueToUnsupportedMode(UiUnsupportedMode mode) {
+  if (mode == UiUnsupportedMode::kUnhandledPageInfo) {
+    UMA_HISTOGRAM_ENUMERATION("VR.Shell.EncounteredUnsupportedMode", mode,
+                              UiUnsupportedMode::kCount);
+    JNIEnv* env = base::android::AttachCurrentThread();
+    Java_VrShellImpl_onUnhandledPageInfo(env, j_vr_shell_.obj());
+    return;
+  }
   ui_->SetIsExiting();
   main_thread_task_runner_->PostDelayedTask(
       FROM_HERE,