[Refactoring] Remove include "core/inspector/InspectorInstrumentation.h" from SelectorChecker.h

Source/core/dom/StyleSheetScopingNodeList.h

Index: Source/core/dom/StyleSheetScopingNodeList.h
diff --git a/Source/core/dom/StyleSheetScopingNodeList.h b/Source/core/dom/StyleSheetScopingNodeList.h
index 790be1322ae8ad8a15995d7c833371e993125da3..e6f61ec5a5df2d66a6b18e9ee4d6a40ac842c60e 100644
--- a/Source/core/dom/StyleSheetScopingNodeList.h
+++ b/Source/core/dom/StyleSheetScopingNodeList.h
@@ -34,16 +34,6 @@
 
 namespace WebCore {
 
-inline bool isTreeScopeRoot(const Node* node)
-{
-    return !node || node->isDocumentNode() || node->isShadowRoot();
-}
-
-inline bool isTreeScopeRoot(const Node& node)
-{
-    return node.isDocumentNode() || node.isShadowRoot();
-}
-
 class StyleSheetScopingNodeList {
     WTF_MAKE_NONCOPYABLE(StyleSheetScopingNodeList); WTF_MAKE_FAST_ALLOCATED;
 public: