Correct scrolling contents cull rect
When clipping the cull rect by the scrolling contents rect, we should
use the origin of the container rect instead of zero as the origin.
Bug: 1257762
Change-Id: I308ea9faf627e9b54f4ad2a179221b23782e925e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3214606
Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#929939}
diff --git a/css/css-overflow/overflow-scroll-big-border-small-content-ref.html b/css/css-overflow/overflow-scroll-big-border-small-content-ref.html
new file mode 100644
index 0000000..c7ea180
--- /dev/null
+++ b/css/css-overflow/overflow-scroll-big-border-small-content-ref.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<div id="scroller" style="overflow: scroll; width: 100px; height: 100px;
+ border: 100px solid white; background: green">
+ <div style="height: 200px"></div>
+</div>
+<script>
+onload = () => {
+ scroller.scrollTo(0, 100);
+};
+</script>
diff --git a/css/css-overflow/overflow-scroll-big-border-small-content.html b/css/css-overflow/overflow-scroll-big-border-small-content.html
new file mode 100644
index 0000000..0b033c0
--- /dev/null
+++ b/css/css-overflow/overflow-scroll-big-border-small-content.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<title>CSS Overflow: overflow: scroll with big border and a small overflowing content</title>
+<link rel="help" href="https://drafts.csswg.org/css-overflow-3#propdef-overflow">
+<link rel="match" href="overflow-scroll-big-border-small-content-ref.html">
+<div id="scroller" style="overflow: scroll; width: 100px; height: 100px;
+ border: 100px solid white; background: red">
+ <div style="height: 50px; background: green"></div>
+ <div style="height: 50px; background: green"></div>
+ <div style="height: 50px; background: green"></div>
+ <div style="height: 50px; background: green"></div>
+</div>
+<script>
+onload = () => {
+ scroller.scrollTo(0, 100);
+};
+</script>
