[Layout API] Convert DragController to use Document::layoutViewItem()

third_party/WebKit/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 41 matching lines @@
 #include "core/frame/Settings.h"
 #include "core/html/HTMLAnchorElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestRequest.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutImage.h"
 #include "core/layout/LayoutTheme.h"
-#include "core/layout/LayoutView.h"
+#include "core/layout/api/LayoutViewItem.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/DragData.h"
 #include "core/page/DragSession.h"
 #include "core/page/DragState.h"
 #include "core/page/Page.h"
 #include "platform/DragImage.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/IntSize.h"
@@ skipping 248 matching lines @@
             return toHTMLInputElement(node);
     }
     return nullptr;
 }
 
 // This can return null if an empty document is loaded.
 static Element* elementUnderMouse(Document* documentUnderMouse, const IntPoint& point)
 {
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active);
     HitTestResult result(request, point);
-    documentUnderMouse->layoutView()->hitTest(result);
+    documentUnderMouse->layoutViewItem().hitTest(result);
 
     Node* n = result.innerNode();
     while (n && !n->isElementNode())
         n = n->parentOrShadowHostNode();
     if (n && n->isInShadowTree())
         n = n->shadowHost();
 
     return toElement(n);
 }
 
@@ skipping 654 matching lines @@
 
 DEFINE_TRACE(DragController)
 {
     visitor->trace(m_page);
     visitor->trace(m_documentUnderMouse);
     visitor->trace(m_dragInitiator);
     visitor->trace(m_fileInputElementUnderMouse);
 }
 
 } // namespace blink