Remove legacy markup box behavior when line-clamping.

Source/core/layout/line/EllipsisBox.cpp

 /**
  * Copyright (C) 2003, 2006 Apple Computer, Inc.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 20 matching lines @@
 #include "platform/fonts/Font.h"
 #include "platform/text/TextRun.h"
 
 namespace blink {
 
 void EllipsisBox::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
 {
     EllipsisBoxPainter(*this).paint(paintInfo, paintOffset, lineTop, lineBottom);
 }
 
-InlineBox* EllipsisBox::markupBox() const
-{
-    if (!m_shouldPaintMarkupBox || !layoutObject().isLayoutBlock())
-        return 0;
-
-    LayoutBlock& block = toLayoutBlock(layoutObject());
-    RootInlineBox* lastLine = block.lineAtIndex(block.lineCount() - 1);
-    if (!lastLine)
-        return 0;
-
-    // If the last line-box on the last line of a block is a link, -webkit-line-clamp paints that box after the ellipsis.
-    // It does not actually move the link.
-    InlineBox* anchorBox = lastLine->lastChild();
-    if (!anchorBox || !anchorBox->layoutObject().style()->isLink())
-        return 0;
-
-    return anchorBox;
-}
-
 IntRect EllipsisBox::selectionRect()
 {
     const ComputedStyle& style = layoutObject().styleRef(isFirstLineStyle());
     const Font& font = style.font();
     return enclosingIntRect(font.selectionRectForText(constructTextRun(&layoutObject(), font, m_str, style, TextRun::AllowTrailingExpansion), IntPoint(logicalLeft(), logicalTop() + root().selectionTopAdjustedForPrecedingBlock()), root().selectionHeightAdjustedForPrecedingBlock()));
 }
 
 bool EllipsisBox::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom)
 {
     // FIXME: the call to roundedLayoutPoint() below is temporary and should be removed once
     // the transition to LayoutUnit-based types is complete (crbug.com/321237)
     LayoutPoint adjustedLocation = accumulatedOffset + topLeft().roundedLayoutPoint();
 
-    // Hit test the markup box.
-    if (InlineBox* markupBox = this->markupBox()) {
-        const ComputedStyle& style = layoutObject().styleRef(isFirstLineStyle());
-        LayoutUnit mtx = adjustedLocation.x() + m_logicalWidth - markupBox->x();
-        LayoutUnit mty = adjustedLocation.y() + style.fontMetrics().ascent() - (markupBox->y() + markupBox->layoutObject().style(isFirstLineStyle())->fontMetrics().ascent());
-        if (markupBox->nodeAtPoint(result, locationInContainer, LayoutPoint(mtx, mty), lineTop, lineBottom)) {
-            layoutObject().updateHitTestResult(result, locationInContainer.point() - LayoutSize(mtx, mty));
-            return true;
-        }
-    }
-
     FloatPointWillBeLayoutPoint boxOrigin = locationIncludingFlipping();
     boxOrigin.moveBy(accumulatedOffset);
     FloatRectWillBeLayoutRect boundsRect(boxOrigin, size());
     if (visibleToHitTestRequest(result.hitTestRequest()) && boundsRect.intersects(FloatRectWillBeLayoutRect(HitTestLocation::rectForPoint(locationInContainer.point(), 0, 0, 0, 0)))) {
         layoutObject().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(adjustedLocation));
         // FIXME: the call to rawValue() below is temporary and should be removed once the transition
         // to LayoutUnit-based types is complete (crbug.com/321237)
         if (!result.addNodeToListBasedTestResult(layoutObject().node(), locationInContainer, boundsRect.rawValue()))
             return true;
     }
 
     return false;
 }
 
 const char* EllipsisBox::boxName() const
 {
     return "EllipsisBox";
 }
 
 } // namespace blink