views: Override gtk-menu-images=0 for menu items with icons.

views/controls/menu/native_menu_gtk.cc

Index: views/controls/menu/native_menu_gtk.cc
diff --git a/views/controls/menu/native_menu_gtk.cc b/views/controls/menu/native_menu_gtk.cc
index 96b31f07d887630cfc4be9f631a65a436e30c0a1..a0b2b0a4ab4c4fbb09a002682d5883f3ae57ad43 100644
--- a/views/controls/menu/native_menu_gtk.cc
+++ b/views/controls/menu/native_menu_gtk.cc
@@ -353,6 +353,12 @@ GtkWidget* NativeMenuGtk::AddMenuItemAt(int index,
         gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menu_item),
                                       gtk_image_new_from_pixbuf(pixbuf));
         g_object_unref(pixbuf);
+
+#if GTK_CHECK_VERSION(2,16,0)
+        // Show the image even if the "gtk-menu-images" setting is turned off.
+        gtk_image_menu_item_set_always_show_image(
+            GTK_IMAGE_MENU_ITEM(menu_item), TRUE);
+#endif
       } else {
         menu_item = gtk_menu_item_new_with_mnemonic(label.c_str());
       }