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Bug 1478304 - Ensure Layer::GetFixedPositionScrollContainerId() returns NULL_SCROLL_ID for layers that are not fixed. r=kats
Differential Revision: https://phabricator.services.mozilla.com/D9327 --HG-- extra : moz-landing-system : lando
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@ -347,7 +347,7 @@ public:
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}
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FrameMetrics::ViewID GetFixedPositionScrollContainerId() const {
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return mFixedPositionData
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return (mIsFixedPosition && mFixedPositionData)
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? mFixedPositionData->mScrollId
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: FrameMetrics::NULL_SCROLL_ID;
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}
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