chromium/content/test/data/accessibility/regression/progress-with-background-exposes-values-expected-blink.txt

rootWebArea backgroundColor=ffffff
++genericContainer ignored backgroundColor=ffffff
++++genericContainer backgroundColor=ffffff
++++++progressIndicator backgroundColor=ffffff valueForRange=50.00 minValueForRange=0.00 maxValueForRange=100.00
++++++progressIndicator backgroundColor=000000 valueForRange=50.00 minValueForRange=0.00 maxValueForRange=100.00