Control permission bubbles with Finch flag

chrome/browser/ui/website_settings/permission_bubble_manager.h

Index: chrome/browser/ui/website_settings/permission_bubble_manager.h
diff --git a/chrome/browser/ui/website_settings/permission_bubble_manager.h b/chrome/browser/ui/website_settings/permission_bubble_manager.h
index ec56c9ee57ce7d33a333c0c69f42e9ae1685db5d..414184b7e478c891b7557b6c489211d42e513b80 100644
--- a/chrome/browser/ui/website_settings/permission_bubble_manager.h
+++ b/chrome/browser/ui/website_settings/permission_bubble_manager.h
@@ -30,7 +30,8 @@ class PermissionBubbleManager
       public content::WebContentsUserData<PermissionBubbleManager>,
       public PermissionBubbleView::Delegate {
  public:
-  // Return the flag-driven enabled state of permissions bubbles.
+  // Return the enabled state of permissions bubbles.
+  // Controlled by a flag and FieldTrial.
   static bool Enabled();
 
   ~PermissionBubbleManager() override;