Launch "Update Chrome" menu item

chrome/browser/flag_descriptions.h

Index: chrome/browser/flag_descriptions.h
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 577f9290f3ba6ad6c7485870c3c9b763f29d7ea7..08db89f9a6de9cb0513b17fefc87b1919961b2b7 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -2403,24 +2403,11 @@ extern const char kUpdateMenuItemName[];
 // Description of the flag to force show the update menu item.
 extern const char kUpdateMenuItemDescription[];
 
-// Name of the flag to show a summary below the update menu item.
-extern const char kUpdateMenuItemSummaryName[];
+// Description of the flag to show a custom summary below the update menu item.
+extern const char kUpdateMenuItemCustomSummaryDescription[];
 
-// Description of the flag to show a summary below the update menu item.
-extern const char kUpdateMenuItemSummaryDescription[];
-
-// Option to not show a summary for the update menu item.
-extern const char kUpdateMenuItemNoSummary[];
-
-// Option to show the default summary for the update menu item.
-extern const char kUpdateMenuItemDefaultSummary[];
-
-// Option to show a summary for the update menu item prompting users to 'get the
-// latest features'.
-extern const char kUpdateMenuItemNewFeaturesSummary[];
-
-// Option to show a custom summary for the update menu item.
-extern const char kUpdateMenuItemCustomSummary[];
+// Name of the flag to show a custom summary below the update menu item.
+extern const char kUpdateMenuItemCustomSummaryName[];
 
 // Name of the flag to force show the update menu badge.
 extern const char kUpdateMenuBadgeName[];