GTK: Fix highlight and image colors in the new wrench menu.

chrome/browser/gtk/menu_gtk.h

Index: chrome/browser/gtk/menu_gtk.h
diff --git a/chrome/browser/gtk/menu_gtk.h b/chrome/browser/gtk/menu_gtk.h
index 721b736da8563fcfc7923aa16fa1e944ed6a024c..55767dae88f6fcb66eafe74a99144deb164f70e0 100644
--- a/chrome/browser/gtk/menu_gtk.h
+++ b/chrome/browser/gtk/menu_gtk.h
@@ -42,6 +42,9 @@ class MenuGtk {
     // Return true if we should override the "gtk-menu-images" system setting
     // when showing image menu items for this menu.
     virtual bool AlwaysShowImages() const { return false; }
+
+    // Returns a tinted image used in button in a menu.
+    virtual GtkIconSet* GetIconSetForId(int idr) { return NULL; }
   };
 
   MenuGtk(MenuGtk::Delegate* delegate, menus::MenuModel* model);