Don't use canCollapseAnonymousBlockChild() to determine whether to truncate text.

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1855 matching lines @@
 }
 
 void LayoutObject::firstLineStyleDidChange(const ComputedStyle& oldStyle, const ComputedStyle& newStyle)
 {
     StyleDifference diff = oldStyle.visualInvalidationDiff(newStyle);
 
     if (diff.needsPaintInvalidation() || diff.textDecorationOrColorChanged()) {
         // We need to invalidate all inline boxes in the first line, because they need to be
         // repainted with the new style, e.g. background, font style, etc.
         LayoutBlockFlow* firstLineContainer = nullptr;
-        if (canHaveFirstLineOrFirstLetterStyle()) {
+        if (behavesLikeBlockContainer()) {
             // This object is a LayoutBlock having PseudoIdFirstLine pseudo style changed.
             firstLineContainer = toLayoutBlock(this)->nearestInnerBlockWithFirstLine();
         } else if (isLayoutInline()) {
             // This object is a LayoutInline having FIRST_LINE_INHERITED pesudo style changed.
             // This method can be called even if the LayoutInline doesn't intersect the first line,
             // but we only need to invalidate if it does.
             if (InlineBox* firstLineBox = toLayoutInline(this)->firstLineBoxIncludingCulling()) {
                 if (firstLineBox->isFirstLineStyle())
                     firstLineContainer = toLayoutBlockFlow(containingBlock());
             }
@@ skipping 1116 matching lines @@
     Cached,
     Uncached
 };
 
 static PassRefPtr<ComputedStyle> firstLineStyleForCachedUncachedType(StyleCacheState type, const LayoutObject* layoutObject, ComputedStyle* style)
 {
     const LayoutObject* layoutObjectForFirstLineStyle = layoutObject;
     if (layoutObject->isBeforeOrAfterContent())
         layoutObjectForFirstLineStyle = layoutObject->parent();
 
-    if (layoutObjectForFirstLineStyle->canHaveFirstLineOrFirstLetterStyle()) {
+    if (layoutObjectForFirstLineStyle->behavesLikeBlockContainer()) {
         if (const LayoutBlock* firstLineBlock = toLayoutBlock(layoutObjectForFirstLineStyle)->enclosingFirstLineStyleBlock()) {
             if (type == Cached)
                 return firstLineBlock->getCachedPseudoStyle(PseudoIdFirstLine, style);
             return firstLineBlock->getUncachedPseudoStyle(PseudoStyleRequest(PseudoIdFirstLine), style, firstLineBlock == layoutObject ? style : 0);
         }
     } else if (!layoutObjectForFirstLineStyle->isAnonymous() && layoutObjectForFirstLineStyle->isLayoutInline()
         && !layoutObjectForFirstLineStyle->node()->isFirstLetterPseudoElement()) {
         const ComputedStyle* parentStyle = layoutObjectForFirstLineStyle->parent()->firstLineStyle();
         if (parentStyle != layoutObjectForFirstLineStyle->parent()->style()) {
             if (type == Cached) {
@@ skipping 666 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif