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  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
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          text run at (0,0) width 775: "This test passes if the div below is a blue 100px square when the deviceScaleFactor is 1, and if it is a 100px green square"
          text run at (0,18) width 779: "when the deviceScaleFactor is 2. When run in the test harness, this test is distinct from image-set-as-background, because"
          text run at (0,36) width 515: "it ensures that the green image loads dynamically when the scale factor changes."
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