Rename Node::treeScope() to Node::treeScopeOrDocument()

third_party/WebKit/Source/core/dom/TreeScope.cpp

Index: third_party/WebKit/Source/core/dom/TreeScope.cpp
diff --git a/third_party/WebKit/Source/core/dom/TreeScope.cpp b/third_party/WebKit/Source/core/dom/TreeScope.cpp
index 3ef34953971daa4b38e5226a8930cae4be902b5f..0d84ee524f2d9917e59647916df8890c15b86c77 100644
--- a/third_party/WebKit/Source/core/dom/TreeScope.cpp
+++ b/third_party/WebKit/Source/core/dom/TreeScope.cpp
@@ -198,7 +198,7 @@ void TreeScope::removeElementById(const AtomicString& elementId, Element* elemen
 Node* TreeScope::ancestorInThisScope(Node* node) const
 {
     while (node) {
-        if (node->treeScope() == this)
+        if (node->treeScopeOrDocument() == this)
             return node;
         if (!node->isInShadowTree())
             return nullptr;
@@ -432,7 +432,7 @@ Element* TreeScope::adjustedFocusedElement() const
     if (rootNode().isInV1ShadowTree()) {
         if (Node* retargeted = rootNode().retarget(*element)) {
             DCHECK(retargeted->isElementNode());
-            return this == &retargeted->treeScope() ? toElement(retargeted) : nullptr;
+            return this == &retargeted->treeScopeOrDocument() ? toElement(retargeted) : nullptr;
         }
         return nullptr;
     }