Bug 1173907 - Don't use gtk_render_activity for drawing progress chunks on GTK versions above 3.13.7. r=karlt

widget/gtk/gtk3drawing.c

@@ -2025,7 +2025,10 @@ moz_gtk_progress_chunk_paint(cairo_t *cr, GdkRectangle* rect,
     }
   
     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
-    gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height);
+    // gtk_render_activity was used to render progress chunks on GTK versions
+    // before 3.13.7, see bug 1173907.
+    if (gtk_check_version(3, 13, 7))
+      gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height);
     gtk_style_context_restore(style);
 
     return MOZ_GTK_SUCCESS;