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Bug 1195142 patch 1 - Set CSS_PROPERTY_CREATES_STACKING_CONTEXT for the opacity property. r=BenWa
This isn't actually needed for the only caller (which ensures that frames with will-change: opacity create a stacking context), since nsIFrame::BuildDisplayListForChild checks HasOpacity, which checks for NS_STYLE_WILL_CHANGE_OPACITY. However, it's good to have the bit set for consistency in case we use it elsewhere. --HG-- extra : commitid : 2mKHVXRkjZL
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@ -2663,7 +2663,8 @@ CSS_PROP_DISPLAY(
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Opacity,
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CSS_PROPERTY_PARSE_VALUE |
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CSS_PROPERTY_APPLIES_TO_PLACEHOLDER |
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CSS_PROPERTY_CAN_ANIMATE_ON_COMPOSITOR,
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CSS_PROPERTY_CAN_ANIMATE_ON_COMPOSITOR |
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CSS_PROPERTY_CREATES_STACKING_CONTEXT,
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"",
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VARIANT_HN,
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nullptr,
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