CSS @media (width: *px) may not work if devicePixelRatio is greater than 1. #17759
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When devicePixelRatio is greater than 1, the viewport size of the CSS media
query may appear as non-integers. This can happen in Chrome for Android if
the UseZoomForDSF flag is enabled.
For example:
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
@media (width: 393px) {
p {
color: red;
}
}
</style>
<p>text</p>
If the device width is 1081 physical pixels and devicePixelRatio is 2.75. The
viewport width of the CSS media query will be 393.091px.
Change-Id: I25ee4da1ebdbd57202fa8c5e360138a8058f578f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1695522
Commit-Queue: David Bokan <bokan@chromium.org>
Reviewed-by: David Bokan <bokan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680047}