Stay put at the top of the current page when inserting a forced break.

third_party/WebKit/Source/core/layout/LayoutBlock.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 1643 matching lines @@
                 addOutlineRectsForDescendant(*box, rects, additionalOffset, includeBlockOverflows);
         }
     }
 }
 
 LayoutBox* LayoutBlock::createAnonymousBoxWithSameTypeAs(const LayoutObject* parent) const
 {
     return createAnonymousWithParentAndDisplay(parent, style()->display());
 }
 
-LayoutUnit LayoutBlock::nextPageLogicalTop(LayoutUnit logicalOffset, PageBoundaryRule pageBoundaryRule) const
+LayoutUnit LayoutBlock::nextPageLogicalTop(LayoutUnit logicalOffset) const
 {
     LayoutUnit pageLogicalHeight = pageLogicalHeightForOffset(logicalOffset);
     if (!pageLogicalHeight)
         return logicalOffset;
 
-    return logicalOffset + pageRemainingLogicalHeightForOffset(logicalOffset, pageBoundaryRule);
+    return logicalOffset + pageRemainingLogicalHeightForOffset(logicalOffset, AssociateWithLatterPage);
 }
 
 void LayoutBlock::paginatedContentWasLaidOut(LayoutUnit logicalBottomOffsetAfterPagination)
 {
     if (LayoutFlowThread* flowThread = flowThreadContainingBlock())
         flowThread->contentWasLaidOut(offsetFromLogicalTopOfFirstPage() + logicalBottomOffsetAfterPagination);
 }
 
 LayoutUnit LayoutBlock::collapsedMarginBeforeForChild(const LayoutBox& child) const
 {
@@ skipping 265 matching lines @@
 
     return availableHeight;
 }
 
 bool LayoutBlock::hasDefiniteLogicalHeight() const
 {
     return availableLogicalHeightForPercentageComputation() != LayoutUnit(-1);
 }
 
 } // namespace blink