Add update menu item and app menu icon badge

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 154a05c6fdf6b47889b02f2d53f691e0f2143e11..87e843ff907749bcffa874f2fa324b508f892c90 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -2168,4 +2168,10 @@ const char kBackgroundTracingLastUpload[] = "background_tracing.last_upload";
 const char kAllowDinosaurEasterEgg[] =
     "allow_dinosaur_easter_egg";
 
+#if defined(OS_ANDROID)
+// Whether the update menu item was clicked. Used to facilitate logging whether
+// Chrome was updated after the menu item is clicked.
+const char kClickedUpdateMenuItem[] = "omaha.clicked_update_menu_item";
+#endif
+
 }  // namespace prefs