Split positionAndLayoutFloat() off positionNewFloats().

third_party/WebKit/Source/core/layout/LayoutBlockFlow.h

 /*
  * 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) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 334 matching lines @@
                                               const LayoutPoint&) const;
 
   const char* name() const override { return "LayoutBlockFlow"; }
 
   FloatingObject* insertFloatingObject(LayoutBox&);
 
   // Called from lineWidth, to position the floats added in the last line.
   // Returns true if and only if it has positioned any floats.
   bool positionNewFloats(LineWidth* = nullptr);
 
+  // Position and lay out the float, if it needs layout.
+  // |logicalTop| is the minimum logical top offset for the float (margin edge).
+  // The value returned is the minimum logical top offset for subsequent floats.
+  LayoutUnit positionAndLayoutFloat(FloatingObject&, LayoutUnit logicalTop);
+
   LayoutUnit nextFloatLogicalBottomBelow(LayoutUnit) const;
   LayoutUnit nextFloatLogicalBottomBelowForBlock(LayoutUnit) const;
 
   FloatingObject* lastFloatFromPreviousLine() const {
     return containsFloats() ? m_floatingObjects->set().last().get() : nullptr;
   }
 
   void setShouldDoFullPaintInvalidationForFirstLine();
 
   void simplifiedNormalFlowInlineLayout();
@@ skipping 555 matching lines @@
   void positionDialog();
 
   // END METHODS DEFINED IN LayoutBlockFlowLine
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlockFlow, isLayoutBlockFlow());
 
 }  // namespace blink
 
 #endif  // LayoutBlockFlow_h