Disable permissions dialog in VR

chrome/browser/android/vr_shell/vr_tab_helper.cc

Index: chrome/browser/android/vr_shell/vr_tab_helper.cc
diff --git a/chrome/browser/android/vr_shell/vr_tab_helper.cc b/chrome/browser/android/vr_shell/vr_tab_helper.cc
index 3121cd2eedb0618ccae118ae20436b73c3856b7f..20372ea0b463d2a42180bf9bc4f8ddb9b584464c 100644
--- a/chrome/browser/android/vr_shell/vr_tab_helper.cc
+++ b/chrome/browser/android/vr_shell/vr_tab_helper.cc
@@ -36,6 +36,11 @@ void VrTabHelper::SetIsInVr(bool is_in_vr) {
 /* static */
 bool VrTabHelper::IsInVr(content::WebContents* contents) {
   VrTabHelper* vr_tab_helper = VrTabHelper::FromWebContents(contents);
+  if (!vr_tab_helper) {
+    // This can only happen for unittests.
+    VrTabHelper::CreateForWebContents(contents);
+    vr_tab_helper = VrTabHelper::FromWebContents(contents);
+  }
   return vr_tab_helper->is_in_vr();
 }