"Inline" auto-positioned out-of-flow objects are affected by pagination struts.

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 358 matching lines @@
 
 inline void BreakingContext::handleOutOfFlowPositioned(Vector<LineLayoutBox>& positionedObjects)
 {
     // If our original display wasn't an inline type, then we can
     // go ahead and determine our static inline position now.
     LineLayoutBox box(m_current.getLineLayoutItem());
     bool isInlineType = box.style()->isOriginalDisplayInlineType();
     if (!isInlineType) {
         m_block.setStaticInlinePositionForChild(box, m_block.startOffsetForContent());
     } else {
-        // If our original display was an INLINE type, then we can go ahead
-        // and determine our static y position now.
+        // If our original display was an INLINE type, then we can determine our static y position
+        // now. Note, however, that if we're paginated, we may have to update this position after
+        // the line has been laid out, since the line may be pushed by a pagination strut.
         box.layer()->setStaticBlockPosition(m_block.logicalHeight());
     }
 
     // If we're ignoring spaces, we have to stop and include this object and
     // then start ignoring spaces again.
-    if (isInlineType || box.container().isLayoutInline()) {
+    bool containerIsInline = box.container().isLayoutInline();
+    if (isInlineType || containerIsInline) {
         if (m_ignoringSpaces)
             ensureLineBoxInsideIgnoredSpaces(&m_lineMidpointState, box);
         m_trailingObjects.appendObjectIfNeeded(box);
-    } else {
+    }
+    if (!containerIsInline)
         positionedObjects.append(box);
-    }
     m_width.addUncommittedWidth(inlineLogicalWidthFromAncestorsIfNeeded(box).toFloat());
     // Reset prior line break context characters.
     m_layoutTextInfo.m_lineBreakIterator.resetPriorContext();
 }
 
 inline void BreakingContext::handleFloat()
 {
     LineLayoutBox floatBox(m_current.getLineLayoutItem());
     FloatingObject* floatingObject = m_block.insertFloatingObject(floatBox);
     // check if it fits in the current line.
@@ skipping 790 matching lines @@
 
     if (style.getTextIndentType() == TextIndentHanging)
         indentText = indentText == IndentText ? DoNotIndentText : IndentText;
 
     return indentText;
 }
 
 } // namespace blink
 
 #endif // BreakingContextInlineHeaders_h