Rename renderer() to layoutObject().

Source/core/css/invalidation/StyleInvalidator.cpp

Index: Source/core/css/invalidation/StyleInvalidator.cpp
diff --git a/Source/core/css/invalidation/StyleInvalidator.cpp b/Source/core/css/invalidation/StyleInvalidator.cpp
index 38e3d91861617d01d19c53775a74397bdcaf8ea0..63541a4ec0f21f02ed40dca3d82ccf785c5241b1 100644
--- a/Source/core/css/invalidation/StyleInvalidator.cpp
+++ b/Source/core/css/invalidation/StyleInvalidator.cpp
@@ -177,7 +177,7 @@ bool StyleInvalidator::invalidate(Element& element, StyleInvalidator::RecursionD
         element.setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::StyleInvalidator));
     } else if (recursionData.hasInvalidationSets() && someChildrenNeedStyleRecalc) {
         // Clone the LayoutStyle in order to preserve correct style sharing, if possible. Otherwise recalc style.
-        if (LayoutObject* renderer = element.renderer()) {
+        if (LayoutObject* renderer = element.layoutObject()) {
             renderer->setStyleInternal(LayoutStyle::clone(renderer->styleRef()));
         } else {
             TRACE_STYLE_INVALIDATOR_INVALIDATION_IF_ENABLED(element, PreventStyleSharingForParent);