Revert of document.querySelector[All]() should check selector context

Source/core/dom/SelectorQuery.cpp

Index: Source/core/dom/SelectorQuery.cpp
diff --git a/Source/core/dom/SelectorQuery.cpp b/Source/core/dom/SelectorQuery.cpp
index ee10ce8e35b7d8eb8c4a6d3adf16a3a95c28af74..572180d2523e2f0ed1b15c571d590ccf27ae2a36 100644
--- a/Source/core/dom/SelectorQuery.cpp
+++ b/Source/core/dom/SelectorQuery.cpp
@@ -122,8 +122,9 @@
     SelectorChecker selectorChecker(SelectorChecker::QueryingRules);
     SelectorChecker::SelectorCheckingContext selectorCheckingContext(&element, SelectorChecker::VisitedMatchDisabled);
     selectorCheckingContext.selector = &selector;
-    selectorCheckingContext.scope = &rootNode;
-    selectorCheckingContext.scopeContainsLastMatchedElement = true;
+    selectorCheckingContext.scope = !rootNode.isDocumentNode() ? &rootNode : nullptr;
+    if (selectorCheckingContext.scope)
+        selectorCheckingContext.scopeContainsLastMatchedElement = true;
     return selectorChecker.match(selectorCheckingContext);
 }