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Bug 847850. Redirect all display item lists to the content list inside of text control frames so no content can escape out to mingle with the rest of the page content. r=roc

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This commit is contained in:
Timothy Nikkel 2013-03-06 23:13:13 -06:00
parent 2e8169cda2
commit 99126b52ad
1 changed files with 5 additions and 1 deletions
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6
layout/forms/nsTextControlFrame.cpp
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@ -1470,7 +1470,11 @@ nsTextControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
DisplayBorderBackgroundOutline(aBuilder, aLists);
nsIFrame* kid = mFrames.FirstChild();
nsDisplayListSet set(aLists, aLists.Content());
// Redirect all lists to the Content list so that nothing can escape, ie
// opacity creating stacking contexts that then get sorted with stacking
// contexts external to us.
nsDisplayList* content = aLists.Content();
nsDisplayListSet set(content, content, content, content, content, content);
while (kid) {
// If the frame is the placeholder frame, we should only show it if the