Rename renderer to layoutObject in core/editing.

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 402 matching lines @@
 {
     KURL url = frame().document()->url();
     String html = frame().selection().selectedHTMLForClipboard();
     String plainText = frame().selectedTextForClipboard();
     Pasteboard::generalPasteboard()->writeHTML(html, url, plainText, canSmartCopyOrDelete());
 }
 
 static PassRefPtr<Image> imageFromNode(const Node& node)
 {
     node.document().updateLayoutIgnorePendingStylesheets();
-    LayoutObject* renderer = node.layoutObject();
-    if (!renderer)
+    LayoutObject* layoutObject = node.layoutObject();
+    if (!layoutObject)
         return nullptr;
 
-    if (renderer->isCanvas())
+    if (layoutObject->isCanvas())
         return toHTMLCanvasElement(node).copiedImage(FrontBuffer);
 
-    if (renderer->isImage()) {
-        LayoutImage* layoutImage = toLayoutImage(renderer);
+    if (layoutObject->isImage()) {
+        LayoutImage* layoutImage = toLayoutImage(layoutObject);
         if (!layoutImage)
             return nullptr;
 
         ImageResource* cachedImage = layoutImage->cachedImage();
         if (!cachedImage || cachedImage->errorOccurred())
             return nullptr;
         return cachedImage->imageForLayoutObject(layoutImage);
     }
 
     return nullptr;
@@ skipping 831 matching lines @@
 }
 
 DEFINE_TRACE(Editor)
 {
     visitor->trace(m_frame);
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_mark);
 }
 
 } // namespace blink