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

third_party/WebKit/Source/core/editing/commands/ApplyStyleCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 761 matching lines @@
     if (startNode != editableRoot) {
         while (editableRoot && startNode->parentNode() != editableRoot && isNodeVisiblyContainedWithin(*startNode->parentNode(), *range))
             startNode = startNode->parentNode();
     }
 
     applyInlineStyleToNodeRange(style, startNode, pastEndNode, editingState);
 }
 
 static bool containsNonEditableRegion(Node& node)
 {
-    if (!node.hasEditableStyle())
+    if (!hasEditableStyle(node))
         return true;
 
     Node* sibling = NodeTraversal::nextSkippingChildren(node);
     for (Node* descendent = node.firstChild(); descendent && descendent != sibling; descendent = NodeTraversal::next(*descendent)) {
-        if (!descendent->hasEditableStyle())
+        if (!hasEditableStyle(*descendent))
             return true;
     }
 
     return false;
 }
 
 class InlineRunToApplyStyle {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     InlineRunToApplyStyle(Node* start, Node* end, Node* pastEndNode)
@@ skipping 37 matching lines @@
     if (m_removeOnly)
         return;
 
     document().updateStyleAndLayoutIgnorePendingStylesheets();
 
     HeapVector<InlineRunToApplyStyle> runs;
     Node* node = startNode;
     for (Node* next; node && node != pastEndNode; node = next) {
         next = NodeTraversal::next(*node);
 
-        if (!node->layoutObject() || !node->hasEditableStyle())
+        if (!node->layoutObject() || !hasEditableStyle(*node))
             continue;
 
-        if (!node->layoutObjectIsRichlyEditable() && node->isHTMLElement()) {
+        if (!layoutObjectIsRichlyEditable(*node) && node->isHTMLElement()) {
             HTMLElement* element = toHTMLElement(node);
             // This is a plaintext-only region. Only proceed if it's fully selected.
             // pastEndNode is the node after the last fully selected node, so if it's inside node then
             // node isn't fully selected.
             if (pastEndNode && pastEndNode->isDescendantOf(element))
                 break;
             // Add to this element's inline style and skip over its contents.
             next = NodeTraversal::nextSkippingChildren(*node);
             if (!style->style())
                 continue;
             MutableStylePropertySet* inlineStyle = copyStyleOrCreateEmpty(element->inlineStyle());
             inlineStyle->mergeAndOverrideOnConflict(style->style());
             setNodeAttribute(element, styleAttr, AtomicString(inlineStyle->asText()));
             continue;
         }
 
         if (isEnclosingBlock(node))
             continue;
 
         if (node->hasChildren()) {
-            if (node->contains(pastEndNode) || containsNonEditableRegion(*node) || !node->parentNode()->hasEditableStyle())
+            if (node->contains(pastEndNode) || containsNonEditableRegion(*node) || !hasEditableStyle(*node->parentNode()))
                 continue;
             if (editingIgnoresContent(node)) {
                 next = NodeTraversal::nextSkippingChildren(*node);
                 continue;
             }
         }
 
         Node* runStart = node;
         Node* runEnd = node;
         Node* sibling = node->nextSibling();
@@ skipping 604 matching lines @@
             if (editingState->isAborted())
                 return;
         }
         if (node == endNode)
             break;
         node = next;
     }
 
     Node* nextSibling = element->nextSibling();
     Node* previousSibling = element->previousSibling();
-    if (nextSibling && nextSibling->isElementNode() && nextSibling->hasEditableStyle()
+    if (nextSibling && nextSibling->isElementNode() && hasEditableStyle(*nextSibling)
         && areIdenticalElements(*element, toElement(*nextSibling))) {
         mergeIdenticalElements(element, toElement(nextSibling), editingState);
         if (editingState->isAborted())
             return;
     }
 
-    if (previousSibling && previousSibling->isElementNode() && previousSibling->hasEditableStyle()) {
+    if (previousSibling && previousSibling->isElementNode() && hasEditableStyle(*previousSibling)) {
         Node* mergedElement = previousSibling->nextSibling();
-        if (mergedElement->isElementNode() && mergedElement->hasEditableStyle()
+        if (mergedElement->isElementNode() && hasEditableStyle(*mergedElement)
             && areIdenticalElements(toElement(*previousSibling), toElement(*mergedElement))) {
             mergeIdenticalElements(toElement(previousSibling), toElement(mergedElement), editingState);
             if (editingState->isAborted())
                 return;
         }
     }
 
     // FIXME: We should probably call updateStartEnd if the start or end was in the node
     // range so that the endingSelection() is canonicalized.  See the comments at the end of
     // VisibleSelection::validate().
@@ skipping 217 matching lines @@
 DEFINE_TRACE(ApplyStyleCommand)
 {
     visitor->trace(m_style);
     visitor->trace(m_start);
     visitor->trace(m_end);
     visitor->trace(m_styledInlineElement);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink