[Editing][DOM][CodeHealth] Make Node::hasEditableStyle global functions.

third_party/WebKit/Source/modules/accessibility/AXTable.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXTable.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXTable.cpp b/third_party/WebKit/Source/modules/accessibility/AXTable.cpp
index ed3790f868aaab093e9ef7ca03549a28152c98d2..348445d5956767054248c8000385b7bb02c59841 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXTable.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXTable.cpp
@@ -110,7 +110,7 @@ bool AXTable::isDataTable() const
     // When a section of the document is contentEditable, all tables should be
     // treated as data tables, otherwise users may not be able to work with rich
     // text editors that allow creating and editing tables.
-    if (getNode() && getNode()->hasEditableStyle())
+    if (getNode() && hasEditableStyle(*getNode()))
         return true;
 
     // This employs a heuristic to determine if this table should appear.