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Bug 1419546 - Consider mLayer in nsDisplayTableBackgroundImage::GetPerFrameKey(). r=mattwoodrow

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MozReview-Commit-ID: Bqk0U4REESW

--HG--
extra : rebase_source : 6519c6df50d282cbeff42b414ac13578347e8586
This commit is contained in:
Morris Tseng 2017-12-13 10:44:17 -06:00
parent 4d2a08b4ad
commit 705a7e5949
1 changed files with 2 additions and 1 deletions
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3
layout/painting/nsDisplayList.h
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@ -3847,7 +3847,8 @@ public:
nsDisplayTableBackgroundImage(const InitData& aInitData, nsIFrame* aCellFrame);
virtual uint32_t GetPerFrameKey() const override {
return (static_cast<uint8_t>(mTableType) << TYPE_BITS) |
return (mLayer << (TYPE_BITS + static_cast<uint8_t>(TableTypeBits::COUNT))) |
(static_cast<uint8_t>(mTableType) << TYPE_BITS) |
nsDisplayItem::GetPerFrameKey();
}