Implement HTMLMarqueeElement's animation in private scripts

Source/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 34 matching lines @@
 #include "core/rendering/InlineIterator.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderCombineText.h"
 #include "core/rendering/RenderDeprecatedFlexibleBox.h"
 #include "core/rendering/RenderFlexibleBox.h"
 #include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderGrid.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
-#include "core/rendering/RenderMarquee.h"
 #include "core/rendering/RenderObjectInlines.h"
 #include "core/rendering/RenderRegion.h"
 #include "core/rendering/RenderTableCell.h"
 #include "core/rendering/RenderTextControl.h"
 #include "core/rendering/RenderTextFragment.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/shapes/ShapeOutsideInfo.h"
 #include "core/rendering/style/ContentData.h"
 #include "core/rendering/style/RenderStyle.h"
@@ skipping 3505 matching lines @@
         toRenderBlockFlow(const_cast<RenderBlock*>(this))->computeInlinePreferredLogicalWidths(minLogicalWidth, maxLogicalWidth);
     } else {
         computeBlockPreferredLogicalWidths(minLogicalWidth, maxLogicalWidth);
     }
 
     maxLogicalWidth = std::max(minLogicalWidth, maxLogicalWidth);
 
     adjustIntrinsicLogicalWidthsForColumns(minLogicalWidth, maxLogicalWidth);
 
     // A horizontal marquee with inline children has no minimum width.
-    if (childrenInline() && isMarquee() && toRenderMarquee(this)->isHorizontal())
+    if (childrenInline())
         minLogicalWidth = 0;
 
     if (isTableCell()) {
         Length tableCellWidth = toRenderTableCell(this)->styleOrColLogicalWidth();
         if (tableCellWidth.isFixed() && tableCellWidth.value() > 0)
             maxLogicalWidth = std::max(minLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(tableCellWidth.value()));
     }
 
     int scrollbarWidth = instrinsicScrollbarLogicalWidth();
     maxLogicalWidth += scrollbarWidth;
@@ skipping 1234 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink