Randell, would you mind providing test cases which make you think Chrome use visual viewport? (Or pointing me out where the visual viewport is used in Chrome code?) Attaching file is a test case I used to check the Chrome behavior. With 1) try to pinch zoom in as possible 2) scroll down a bit to be able to see a horizontal bar I am seeing the bar is red even if the bar is inside the visual viewport, which is something wrong. This may be just an edge case that Chrome doesn't handle properly with the dynamic toolbar.
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Randell, would you mind providing test cases which make you think Chrome uses visual viewport? (Or pointing me out where the visual viewport is used in Chrome code?) Attaching file is a test case I used to check the Chrome behavior. With 1) try to pinch zoom in as possible 2) scroll down a bit to be able to see a horizontal bar I am seeing the bar is red even if the bar is inside the visual viewport, which is something wrong. This may be just an edge case that Chrome doesn't handle properly with the dynamic toolbar.