Allow forced breaks inside floats.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2254 matching lines @@
         return true;
       bool is_multicol_value = break_value == EBreakBetween::kColumn ||
                                break_value == EBreakBetween::kAvoidColumn;
       if (ToLayoutFlowThread(curr)->IsLayoutPagedFlowThread())
         return !is_multicol_value;
       if (is_multicol_value)
         return true;
       // If this is a flow thread for a multicol container, and we have a break
       // value for paged, we need to keep looking.
     }
-    if (curr->IsFloatingOrOutOfFlowPositioned())
+    if (curr->IsOutOfFlowPositioned())
       return false;
     curr = curr->ContainingBlock();
   }
   NOTREACHED();
   return false;
 }
 
 bool LayoutBox::IsBreakInsideControllable(EBreakInside break_value) const {
   if (break_value == EBreakInside::kAuto)
     return true;
@@ skipping 3614 matching lines @@
 void LayoutBox::MutableForPainting::
     SavePreviousContentBoxSizeAndLayoutOverflowRect() {
   auto& rare_data = GetLayoutBox().EnsureRareData();
   rare_data.has_previous_content_box_size_and_layout_overflow_rect_ = true;
   rare_data.previous_content_box_size_ = GetLayoutBox().ContentBoxRect().Size();
   rare_data.previous_layout_overflow_rect_ =
       GetLayoutBox().LayoutOverflowRect();
 }
 
 }  // namespace blink