Skip past nested empty inlines at the start of lines

third_party/WebKit/Source/core/layout/line/BreakingContextInlineHeaders.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated.
  *
  * 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.
@@ skipping 399 matching lines @@
 }
 
 // This is currently just used for list markers and inline flows that have line boxes. Neither should
 // have an effect on whitespace at the start of the line.
 inline bool shouldSkipWhitespaceAfterStartObject(LineLayoutBlockFlow block, LineLayoutItem o, LineMidpointState& lineMidpointState)
 {
     LineLayoutItem next = bidiNextSkippingEmptyInlines(block, o);
     while (next && next.isFloatingOrOutOfFlowPositioned())
         next = bidiNextSkippingEmptyInlines(block, next);
 
-    if (next && isEmptyInline(next))
-        next = LineLayoutInline(next).firstChild();
+    while (next && isEmptyInline(next)) {
+        LineLayoutItem child = LineLayoutInline(next).firstChild();
+        next = child ? child : bidiNextSkippingEmptyInlines(block, next);
+    }
 
     if (next && !next.isBR() && next.isText() && LineLayoutText(next).textLength() > 0) {
         LineLayoutText nextText(next);
         UChar nextChar = nextText.characterAt(0);
         if (nextText.style()->isCollapsibleWhiteSpace(nextChar)) {
             lineMidpointState.startIgnoringSpaces(InlineIterator(0, o, 0));
             return true;
         }
     }
 
@@ skipping 720 matching lines @@
 
     if (style.getTextIndentType() == TextIndentHanging)
         indentText = indentText == IndentText ? DoNotIndentText : IndentText;
 
     return indentText;
 }
 
 } // namespace blink
 
 #endif // BreakingContextInlineHeaders_h