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

third_party/WebKit/Source/core/layout/LayoutObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index 1779eaab7a9968c5e03b1bcf34e2c9d6a65c1db6..cc8f300d2dbbb26735e8ffbda564a3afbac36aa1 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -3262,14 +3262,14 @@ PositionWithAffinity LayoutObject::createPositionWithAffinity(int offset, TextAf
 {
     // If this is a non-anonymous layoutObject in an editable area, then it's simple.
     if (Node* node = nonPseudoNode()) {
-        if (!node->hasEditableStyle()) {
+        if (!hasEditableStyle(*node)) {
             // If it can be found, we prefer a visually equivalent position that is editable.
             const Position position = Position(node, offset);
             Position candidate = mostForwardCaretPosition(position, CanCrossEditingBoundary);
-            if (candidate.anchorNode()->hasEditableStyle())
+            if (hasEditableStyle(*candidate.anchorNode()))
                 return PositionWithAffinity(candidate, affinity);
             candidate = mostBackwardCaretPosition(position, CanCrossEditingBoundary);
-            if (candidate.anchorNode()->hasEditableStyle())
+            if (hasEditableStyle(*candidate.anchorNode()))
                 return PositionWithAffinity(candidate, affinity);
         }
         // FIXME: Eliminate legacy editing positions