Make editingIgnoresContents() as global function

third_party/WebKit/Source/core/editing/EditingUtilities.h

Index: third_party/WebKit/Source/core/editing/EditingUtilities.h
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.h b/third_party/WebKit/Source/core/editing/EditingUtilities.h
index d3cf32591ac643d849ea46a2cae11d42ba98378f..eb0ef6451359308d5fce169c59ff85c0ef739cf9 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.h
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.h
@@ -163,9 +163,8 @@ inline ContainerNode* parentCrossingShadowBoundaries<EditingInFlatTreeStrategy>(
 // Returns true for nodes that either have no content, or have content that is
 // ignored (skipped over) while editing. There are no VisiblePositions inside
 // these nodes.
-inline bool editingIgnoresContent(const Node* node) {
-  return EditingStrategy::editingIgnoresContent(node);
-}
+// TODO(yosin) We should make |editingIgnoresContent()| take |Node&|.
+bool editingIgnoresContent(const Node*);
 
 inline bool canHaveChildrenForEditing(const Node* node) {
   return !node->isTextNode() && node->canContainRangeEndPoint();