[subresource_filter] Add custom strings/behavior on Desktop Page Info

components/page_info_strings.grdp

Index: components/page_info_strings.grdp
diff --git a/components/page_info_strings.grdp b/components/page_info_strings.grdp
index f1af7c44018c98eeb738cc6587cd787780207a36..206c16dd01b7012b2c5bf158e104f8c086978d30 100644
--- a/components/page_info_strings.grdp
+++ b/components/page_info_strings.grdp
@@ -260,6 +260,12 @@
     <message name="IDS_PAGE_INFO_MENU_ITEM_DETECT_IMPORTANT_CONTENT" desc="The text of the menu item of a permissions menu on the Page Info UI that sets the setting to detect important content.">
       Always detect important content on this site
     </message>
+    <message name="IDS_PAGE_INFO_SUBRESOURCE_FILTER_ALLOW" desc="The text of the menu item of a permissions menu on the Page Info UI for the subresource filter permission in Allow mode" translateable="false">
+      Always allow on this site
+    </message>
+    <message name="IDS_PAGE_INFO_SUBRESOURCE_FILTER_BLOCK" desc="The text of the menu item of a permissions menu on the Page Info UI for the subresource filter permission in Block mode" translateable="false">
+      Always block on this site
+    </message>
 
     <!-- UI for device access granted to the site using the device chooser (e.g. USB, Bluetooth) -->
     <message name="IDS_PAGE_INFO_USB_DEVICE_LABEL" desc="The label used to describe a USB device that the user has granted the site permission to access.">