Have Range constructor take a Document reference in argument

Source/core/editing/EditingStyle.cpp

Index: Source/core/editing/EditingStyle.cpp
diff --git a/Source/core/editing/EditingStyle.cpp b/Source/core/editing/EditingStyle.cpp
index df173b043d2e177250cf07395071c0a2152a0d62..3ff89e6c19fa24a714cb1c06677bf612fe3dcd4f 100644
--- a/Source/core/editing/EditingStyle.cpp
+++ b/Source/core/editing/EditingStyle.cpp
@@ -1301,7 +1301,8 @@ WritingDirection EditingStyle::textDirectionForSelection(const VisibleSelection&
     if (selection.isRange()) {
         end = selection.end().upstream();
 
-        Node* pastLast = Range::create(end.document(), position.parentAnchoredEquivalent(), end.parentAnchoredEquivalent())->pastLastNode();
+        ASSERT(end.document());
+        Node* pastLast = Range::create(*end.document(), position.parentAnchoredEquivalent(), end.parentAnchoredEquivalent())->pastLastNode();
         for (Node* n = node; n && n != pastLast; n = NodeTraversal::next(n)) {
             if (!n->isStyledElement())
                 continue;