Move rendering/RenderObject to layout/LayoutObject.

Source/core/page/DragController.cpp

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Google Inc.
  *
  * 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 616 matching lines @@
     if (src->selection().contains(dragOrigin)) {
         dragType = DragSourceActionSelection;
         if (selectionDragPolicy == ImmediateSelectionDragResolution)
             return startNode;
     } else {
         dragType = DragSourceActionNone;
     }
 
     Node* node = nullptr;
     DragSourceAction candidateDragType = DragSourceActionNone;
-    for (const RenderObject* renderer = startNode->renderer(); renderer; renderer = renderer->parent()) {
+    for (const LayoutObject* renderer = startNode->renderer(); renderer; renderer = renderer->parent()) {
         node = renderer->nonPseudoNode();
         if (!node) {
             // Anonymous render blocks don't correspond to actual DOM nodes, so we skip over them
             // for the purposes of finding a draggable node.
             continue;
         }
         if (dragType != DragSourceActionSelection && node->isTextNode() && node->canStartSelection()) {
             // In this case we have a click in the unselected portion of text. If this text is
             // selectable, we want to start the selection process instead of looking for a parent
             // to try to drag.
@@ skipping 42 matching lines @@
         // If the cursor isn't over a selection, then just drag the node we found earlier.
         ASSERT(dragType == DragSourceActionNone);
         dragType = candidateDragType;
     }
     return node;
 }
 
 static ImageResource* getImageResource(Element* element)
 {
     ASSERT(element);
-    RenderObject* renderer = element->renderer();
+    LayoutObject* renderer = element->renderer();
     if (!renderer || !renderer->isImage())
         return nullptr;
     RenderImage* image = toRenderImage(renderer);
     return image->cachedImage();
 }
 
 static Image* getImage(Element* element)
 {
     ASSERT(element);
     ImageResource* cachedImage = getImageResource(element);
@@ skipping 275 matching lines @@
 
 void DragController::trace(Visitor* visitor)
 {
     visitor->trace(m_page);
     visitor->trace(m_documentUnderMouse);
     visitor->trace(m_dragInitiator);
     visitor->trace(m_fileInputElementUnderMouse);
 }
 
 } // namespace blink