Rename rendering/RenderScrollbar* to layout/LayoutScrollbar*

Source/core/css/SelectorChecker.cpp

Index: Source/core/css/SelectorChecker.cpp
diff --git a/Source/core/css/SelectorChecker.cpp b/Source/core/css/SelectorChecker.cpp
index 6e0555541b1265dc5735e99b3c30d343450f10eb..7a41f6b12896b0952a993c9c8948e2eacac5b7ff 100644
--- a/Source/core/css/SelectorChecker.cpp
+++ b/Source/core/css/SelectorChecker.cpp
@@ -50,10 +50,10 @@
 #include "core/html/track/vtt/VTTElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/layout/LayoutObject.h"
+#include "core/layout/LayoutScrollbar.h"
 #include "core/layout/style/LayoutStyle.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
-#include "core/rendering/RenderScrollbar.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/scroll/ScrollbarTheme.h"
 
@@ -1043,7 +1043,7 @@ bool SelectorChecker::checkPseudoHost(const SelectorCheckingContext& context, co
 
 bool SelectorChecker::checkScrollbarPseudoClass(const SelectorCheckingContext& context, Document* document, const CSSSelector& selector) const
 {
-    RenderScrollbar* scrollbar = context.scrollbar;
+    LayoutScrollbar* scrollbar = context.scrollbar;
     ScrollbarPart part = context.scrollbarPart;
 
     // FIXME: This is a temporary hack for resizers and scrollbar corners. Eventually :window-inactive should become a real