chromium/chrome/test/data/pdf/accessibility/image_alt_text-expected-blink.txt

pdfRoot name='PDF document containing 1 page' restriction=readOnly
++region name='Page 1' restriction=readOnly isPageBreakingObject=true
++++paragraph restriction=readOnly
++++++image name='Image 1' restriction=readOnly
++++++image name='Image 2' restriction=readOnly
++++++image name='Image 3' restriction=readOnly