Merge RenderWidget into single subclass, RenderPart

Source/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 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 47 matching lines @@
 #include "core/page/FocusController.h"
 #include "core/page/FrameTree.h"
 #include "core/frame/FrameView.h"
 #include "core/page/Page.h"
 #include "core/frame/Settings.h"
 #include "core/page/SpatialNavigation.h"
 #include "core/rendering/HitTestRequest.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderLayer.h"
+#include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderText.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/RenderWidget.h"
 #include "platform/SecureTextInput.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "wtf/text/CString.h"
 #include <stdio.h>
 
 #define EDIT_DEBUG 0
 
 namespace blink {
 
@@ skipping 1570 matching lines @@
         textControl->selectionChanged(userTriggered == UserTriggered);
 }
 
 // Helper function that tells whether a particular node is an element that has an entire
 // LocalFrame and FrameView, a <frame>, <iframe>, or <object>.
 static bool isFrameElement(const Node* n)
 {
     if (!n)
         return false;
     RenderObject* renderer = n->renderer();
-    if (!renderer || !renderer->isWidget())
+    if (!renderer || !renderer->isRenderPart())
         return false;
-    Widget* widget = toRenderWidget(renderer)->widget();
+    Widget* widget = toRenderPart(renderer)->widget();
     return widget && widget->isFrameView();
 }
 
 void FrameSelection::setFocusedNodeIfNeeded()
 {
     if (isNone() || !isFocused())
         return;
 
     bool caretBrowsing = m_frame->settings() && m_frame->settings()->caretBrowsingEnabled();
     if (caretBrowsing) {
@@ skipping 257 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const blink::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif