Index: third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-on-inserting-newstyle.html |
diff --git a/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-on-inserting-newstyle.html b/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-on-inserting-newstyle.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..86509c9bd568e1b876bc57b466749674bbba7236 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-on-inserting-newstyle.html |
@@ -0,0 +1,21 @@ |
+<!DOCTYPE html> |
+<style> |
+#scroller { |
+ overflow: scroll; |
+ width: 400px; |
+ height: 400px; |
+} |
+#space { |
+ width: 1200px; |
+ height: 900px; |
+} |
+</style> |
+<script> |
+onload = () => { setTimeout(() => { |
+ var sheet = document.querySelector("style").sheet; |
+ var add = (css) => { sheet.insertRule(css, sheet.cssRules.length); }; |
+ add("#scroller::-webkit-scrollbar { width: 30px; height: 30px; }"); |
+ add("#scroller::-webkit-scrollbar-thumb { background: green; }"); |
+}, 0); }; |
+</script> |
+<div id="scroller"><div id="space"></div></div> |