X-Git-Url: https://git.webkit.org/?p=WebKit-https.git;a=blobdiff_plain;f=Source%2FWebCore%2Frendering%2FRenderElement.cpp;h=411a02bed2098c7708d35887ade4585b0acd6a10;hp=24ce1161dea6fa4ce34b42ec0b45ffa4137d2fdf;hb=a3f6edbe2c6653bb544ab84f7d84999f6e67957d;hpb=628932e57eb445346f28a19dc53fa22c80bcc039

diff --git a/Source/WebCore/rendering/RenderElement.cpp b/Source/WebCore/rendering/RenderElement.cpp
index 24ce1161dea6..411a02bed209 100644
--- a/Source/WebCore/rendering/RenderElement.cpp
+++ b/Source/WebCore/rendering/RenderElement.cpp
@@ -94,7 +94,6 @@ struct SameSizeAsRenderElement : public RenderObject {
 
 static_assert(sizeof(RenderElement) == sizeof(SameSizeAsRenderElement), "RenderElement should stay small");
 
-bool RenderElement::s_affectsParentBlock = false;
 bool RenderElement::s_noLongerAffectsParentBlock = false;
     
 inline RenderElement::RenderElement(ContainerNode& elementOrDocument, RenderStyle&& style, BaseTypeFlags baseTypeFlags)
@@ -749,10 +748,6 @@ void RenderElement::styleWillChange(StyleDifference diff, const RenderStyle& new
             downcast<RenderBox>(*this).removeFloatingOrPositionedChildFromBlockLists();
         }
 
-        s_affectsParentBlock = isFloatingOrOutOfFlowPositioned()
-            && (!newStyle.isFloating() && !newStyle.hasOutOfFlowPosition())
-            && parent() && (parent()->isRenderBlockFlow() || parent()->isRenderInline());
-
         s_noLongerAffectsParentBlock = ((!isFloating() && newStyle.isFloating()) || (!isOutOfFlowPositioned() && newStyle.hasOutOfFlowPosition()))
             && parent() && parent()->isRenderBlock();
 
@@ -769,10 +764,8 @@ void RenderElement::styleWillChange(StyleDifference diff, const RenderStyle& new
         setHasOverflowClip(false);
         setHasTransformRelatedProperty(false);
         setHasReflection(false);
-    } else {
-        s_affectsParentBlock = false;
+    } else
         s_noLongerAffectsParentBlock = false;
-    }
 
     bool newStyleSlowScroll = false;
     if (newStyle.hasFixedBackgroundImage() && !settings().fixedBackgroundsPaintRelativeToDocument()) {
@@ -813,7 +806,10 @@ void RenderElement::styleDidChange(StyleDifference diff, const RenderStyle* oldS
     updateImage(oldStyle ? oldStyle->maskBoxImage().image() : nullptr, m_style.maskBoxImage().image());
     updateShapeImage(oldStyle ? oldStyle->shapeOutside() : nullptr, m_style.shapeOutside());
 
-    if (s_affectsParentBlock) {
+    bool affectsParentBlock = oldStyle && (oldStyle->isFloating() || oldStyle->hasOutOfFlowPosition())
+        && !style().isFloating() && !style().hasOutOfFlowPosition()
+        && parent() && (parent()->isRenderBlockFlow() || parent()->isRenderInline());
+    if (affectsParentBlock) {
         // We have gone from not affecting the inline status of the parent flow to suddenly
         // having an impact. See if there is a mismatch between the parent flow's
         // childrenInline() state and our state.