Rename renderer() to layoutObject().

Source/core/editing/SimplifyMarkupCommand.cpp

 /*
  * Copyright (C) 2012 Apple Computer, 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 50 matching lines @@
         ContainerNode* currentNode = startingNode;
         ContainerNode* topNodeWithStartingStyle = nullptr;
         while (currentNode != rootNode) {
             if (currentNode->parentNode() != rootNode && isRemovableBlock(currentNode))
                 nodesToRemove.append(currentNode);
 
             currentNode = currentNode->parentNode();
             if (!currentNode)
                 break;
 
-            if (!currentNode->renderer() || !currentNode->renderer()->isLayoutInline() || toLayoutInline(currentNode->renderer())->alwaysCreateLineBoxes())
+            if (!currentNode->layoutObject() || !currentNode->layoutObject()->isLayoutInline() || toLayoutInline(currentNode->layoutObject())->alwaysCreateLineBoxes())
                 continue;
 
             if (currentNode->firstChild() != currentNode->lastChild()) {
                 topNodeWithStartingStyle = 0;
                 break;
             }
 
             if (!currentNode->layoutStyle()->visualInvalidationDiff(*startingStyle).hasDifference())
                 topNodeWithStartingStyle = currentNode;
 
@@ skipping 40 matching lines @@
 }
 
 DEFINE_TRACE(SimplifyMarkupCommand)
 {
     visitor->trace(m_firstNode);
     visitor->trace(m_nodeAfterLast);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink