Bug 727601 - "ASSERTION: Only transformed frames should have UpdateTransformLayer hint" with display:table. r=roc

2012-03-01 13:34:19 +01:00 · 2012-03-01 13:34:19 +01:00 · edfce0c2c5
--- a/layout/base/crashtests/727601.html
+++ b/layout/base/crashtests/727601.html
@ -0,0 +1,3 @@
+<html style="display: table; -moz-transform: scalex(10);">
+<body><script>document.addEventListener("MozReftestInvalidate", function() {document.documentElement.style.MozTransform = 'scalex(20)';})</script></body>
+</html>
--- a/layout/base/crashtests/crashtests.list
+++ b/layout/base/crashtests/crashtests.list
@ -350,3 +350,4 @@ needs-focus pref(accessibility.browsewithcaret,true) load 699353-1.html
 load 707098.html
 load 722137.html
 load 725535.html
+load 727601.html
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@ -7606,8 +7606,9 @@ ApplyRenderingChangeToTree(nsPresContext* aPresContext,
                           nsIFrame* aFrame,
                           nsChangeHint aChange)
 {
-  NS_ASSERTION(!(aChange & nsChangeHint_UpdateTransformLayer) || aFrame->IsTransformed(),
-               "Only transformed frames should have UpdateTransformLayer hint");
+  NS_ASSERTION(!(aChange & nsChangeHint_UpdateTransformLayer) ||
+               aFrame->GetStyleDisplay()->HasTransform(),
+               "Only transform style should give a UpdateTransformLayer hint");

  nsIPresShell *shell = aPresContext->PresShell();
  if (shell->IsPaintingSuppressed()) {