[librsvg: 2/3] handle: remove has_sub

[Federico Mena Quintero <federico src gnome org>]

commit 1d8615f88d4e4887224e275d980313774d40e597
Author: Paolo Borelli <pborelli gnome org>
Date:   Tue Jan 15 22:03:55 2019 +0100

    handle: remove has_sub
    
    It is only used for the C api and the FIXME there is not useful
    since we have to turn it into gboolean anyway

 rsvg_internals/src/handle.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
---
diff --git a/rsvg_internals/src/handle.rs b/rsvg_internals/src/handle.rs
index 4b4f34ac..cfe8994e 100644
--- a/rsvg_internals/src/handle.rs
+++ b/rsvg_internals/src/handle.rs
@@ -483,11 +483,6 @@ impl Handle {
         }
     }
 
-    fn has_sub(&mut self, name: &str) -> bool {
-        // FIXME: return a proper error; only NotFound should map to false
-        self.lookup_node(name).is_ok()
-    }
-
     pub fn render_cairo_sub(
         &mut self,
         cr: &cairo::Context,
@@ -861,7 +856,7 @@ pub unsafe extern "C" fn rsvg_handle_rust_has_sub(
     }
 
     let id: String = from_glib_none(id);
-    rhandle.has_sub(&id).to_glib()
+    rhandle.lookup_node(&id).is_ok().to_glib()
 }
 
 #[no_mangle]