Drop RenderObject::hasBlendMode

Source/core/rendering/style/RenderStyle.cpp

Index: Source/core/rendering/style/RenderStyle.cpp
diff --git a/Source/core/rendering/style/RenderStyle.cpp b/Source/core/rendering/style/RenderStyle.cpp
index 5dcb788e556cd2aa2baea22ad982534606fc08e4..119cd413993b77c23ab9bc9652ec76827daaa5de 100644
--- a/Source/core/rendering/style/RenderStyle.cpp
+++ b/Source/core/rendering/style/RenderStyle.cpp
@@ -831,46 +831,6 @@ void RenderStyle::setContent(QuoteType quote, bool add)
     rareNonInheritedData.access()->m_content = ContentData::create(quote);
 }
 
-WebBlendMode RenderStyle::blendMode() const
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        return static_cast<WebBlendMode>(rareNonInheritedData->m_effectiveBlendMode);
-    return WebBlendModeNormal;
-}
-
-void RenderStyle::setBlendMode(WebBlendMode v)
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        rareNonInheritedData.access()->m_effectiveBlendMode = v;
-}
-
-bool RenderStyle::hasBlendMode() const
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        return static_cast<WebBlendMode>(rareNonInheritedData->m_effectiveBlendMode) != WebBlendModeNormal;
-    return false;
-}
-
-EIsolation RenderStyle::isolation() const
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        return static_cast<EIsolation>(rareNonInheritedData->m_isolation);
-    return IsolationAuto;
-}
-
-void RenderStyle::setIsolation(EIsolation v)
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        rareNonInheritedData.access()->m_isolation = v;
-}
-
-bool RenderStyle::hasIsolation() const
-{
-    if (RuntimeEnabledFeatures::cssCompositingEnabled())
-        return rareNonInheritedData->m_isolation != IsolationAuto;
-    return false;
-}
-
 bool RenderStyle::hasWillChangeCompositingHint() const
 {
     for (size_t i = 0; i < rareNonInheritedData->m_willChange->m_properties.size(); ++i) {