Add a feature to display a persistence toggle for permission prompts on Android.

chrome/browser/permissions/permission_uma_util.h

Index: chrome/browser/permissions/permission_uma_util.h
diff --git a/chrome/browser/permissions/permission_uma_util.h b/chrome/browser/permissions/permission_uma_util.h
index 4ce425c7a07df07ed9a985112dd23805ccab9c6e..97d66b20c5cc6096169b5fb7cae19c3db895714b 100644
--- a/chrome/browser/permissions/permission_uma_util.h
+++ b/chrome/browser/permissions/permission_uma_util.h
@@ -114,6 +114,17 @@ class PermissionUmaUtil {
   static void PermissionPromptDenied(
       const std::vector<PermissionRequest*>& requests);
 
+  // A permission prompt was granted or denied, and the prompt had a persistence
+  // toggle displayed. Records whether the toggle was enabled (persist) or
+  // disabled (don't persist).
+  static void PermissionPromptGrantedWithPersistenceToggle(
+      content::PermissionType permission,
+      bool toggle_enabled);
+
+  static void PermissionPromptDeniedWithPersistenceToggle(
+      content::PermissionType permission,
+      bool toggle_enabled);
+
  private:
   friend class PermissionUmaUtilTest;