Don't update style on new focused element if it isn't in the same doc

This fixes a DCHECK when an iframe is moved out of the active document from within the synchronous onblur event. Fixed: 1204223 Change-Id: Ifda36722099554d327998b4cfd27e35aa379651c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2873191 Auto-Submit: Mason Freed <[email protected]> Commit-Queue: Rune Lillesveen <[email protected]> Reviewed-by: Rune Lillesveen <[email protected]> Cr-Commit-Position: refs/heads/master@{#879742}
valerioadm · May 6, 2021 · 6a96f5c · 6a96f5c
1 parent 7f6dfe9
commit 6a96f5c
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/html/semantics/embedded-content/the-iframe-element/iframe-document-move-crash.html b/html/semantics/embedded-content/the-iframe-element/iframe-document-move-crash.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+This test passes if it does not crash.
+<script>
+  var doc1 = document.documentElement;
+  let iframe1 = document.createElement("iframe");
+  doc1.appendChild(iframe1);
+  separateDoc = document.implementation.createDocument("", null);
+  iframe1.addEventListener("DOMFocusOut", function () {  separateDoc.adoptNode(iframe1); });
+  iframe1.focus();
+  iframe1 = document.createElement("iframe");
+  doc1.appendChild(iframe1);
+  iframe1.focus();
+</script>