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

third_party/WebKit/Source/core/html/HTMLSlotElement.cpp

 /*
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 180 matching lines @@
             rootOwner->setNeedsDistributionRecalc();
     }
 }
 
 Node::InsertionNotificationRequest HTMLSlotElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
     if (ShadowRoot* root = containingShadowRoot()) {
         if (ElementShadow* rootOwner = root->owner())
             rootOwner->setNeedsDistributionRecalc();
-        if (root == insertionPoint->treeScope().rootNode())
+        if (root == insertionPoint->treeScopeOrDocument().rootNode())
             root->didAddSlot();
     }
 
     // We could have been distributed into in a detached subtree, make sure to
     // clear the distribution when inserted again to avoid cycles.
     clearDistribution();
 
     return InsertionDone;
 }
 
 void HTMLSlotElement::removedFrom(ContainerNode* insertionPoint)
 {
     ShadowRoot* root = containingShadowRoot();
     if (!root)
         root = insertionPoint->containingShadowRoot();
     if (root) {
         if (ElementShadow* rootOwner = root->owner())
             rootOwner->setNeedsDistributionRecalc();
     }
 
     // Since this insertion point is no longer visible from the shadow subtree, it need to clean itself up.
     clearDistribution();
 
-    if (root == insertionPoint->treeScope().rootNode())
+    if (root == insertionPoint->treeScopeOrDocument().rootNode())
         root->didRemoveSlot();
 
     HTMLElement::removedFrom(insertionPoint);
 }
 
 void HTMLSlotElement::willRecalcStyle(StyleRecalcChange change)
 {
     if (change < Inherit && getStyleChangeType() < SubtreeStyleChange)
         return;
 
@@ skipping 56 matching lines @@
 DEFINE_TRACE(HTMLSlotElement)
 {
     visitor->trace(m_assignedNodes);
     visitor->trace(m_distributedNodes);
     visitor->trace(m_distributedIndices);
     visitor->trace(m_oldDistributedNodes);
     HTMLElement::trace(visitor);
 }
 
 } // namespace blink