LayoutTests/platform/gtk/fast/encoding/charset-replacement-expected.txt

layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderText {#text} at (0,0) size 16x17
        text run at (0,0) width 16: "\x{FFFD}"