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

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index 1e59d1a2f147c397d241e6fca16c0b26de944ed6..333702e8d60512850dad98d1352bf352768a1342 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -548,7 +548,7 @@ bool EventHandler::useHandCursor(Node* node, bool isOverLink)
     if (!node)
         return false;
 
-    return ((isOverLink || isSubmitImage(node)) && !node->hasEditableStyle());
+    return ((isOverLink || isSubmitImage(node)) && !hasEditableStyle(*node));
 }
 
 void EventHandler::cursorUpdateTimerFired(Timer<EventHandler>*)
@@ -735,7 +735,7 @@ OptionalCursor EventHandler::selectCursor(const HitTestResult& result)
 
 OptionalCursor EventHandler::selectAutoCursor(const HitTestResult& result, Node* node, const Cursor& iBeam)
 {
-    bool editable = (node && node->hasEditableStyle());
+    bool editable = (node && hasEditableStyle(*node));
 
     const bool isOverLink = !selectionController().mouseDownMayStartSelect() && result.isOverLink();
     if (useHandCursor(node, isOverLink))