third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html - Issue 2657743004: Handle stale m_owner in FrameView::needsScrollbarReconstruction.

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Unified Diff: third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html

Issue 2657743004: Handle stale m_owner in FrameView::needsScrollbarReconstruction. (Closed)

Patch Set: rebase Created 3 years, 11 months ago

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Index: third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html

diff --git a/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html b/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html

new file mode 100644

index 0000000000000000000000000000000000000000..f23909750486163b13b10726588af153985e6edc

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/scrollbars/custom-scrollbar-reconstruction-document-write.html

@@ -0,0 +1,25 @@

+<!DOCTYPE html>

+<script src="../resources/testharness.js"></script>

+<script src="../resources/testharnessreport.js"></script>

+<iframe></iframe>

+<script>

+function writeDoc() {

+ var doc = document.querySelector("iframe").contentDocument;

+ doc.open();

+ doc.write(`

+ <style>

+ ::-webkit-scrollbar-thumb { background-color: blue; }

+ ::-webkit-scrollbar { width: 50px; height: 50px; }

+ body { height: 400px; overflow: scroll; }

+ </style>`);

+ doc.close();

+ assert_equals(doc.documentElement.offsetWidth, 250);

+test(() => {

+ writeDoc();

+}, "Preserve iframe custom scrollbar after replacing contents with document.write.");

+</script>

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