Respect the clearance while positioning pending floats.

third_party/WebKit/Source/core/layout/ng/ng_unpositioned_float.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGUnpositionedFloat_h
 #define NGUnpositionedFloat_h
 
 #include "core/layout/ng/geometry/ng_box_strut.h"
 #include "core/layout/ng/geometry/ng_logical_size.h"
 #include "core/layout/ng/ng_block_break_token.h"
 #include "core/layout/ng/ng_block_node.h"
 #include "core/layout/ng/ng_exclusion.h"
+#include "core/style/ComputedStyleConstants.h"
 #include "platform/wtf/Optional.h"
 #include "platform/wtf/RefPtr.h"
 
 namespace blink {
 
 class NGPhysicalBoxFragment;
 
 // Struct that keeps all information needed to position floats in LayoutNG.
 struct CORE_EXPORT NGUnpositionedFloat
     : public RefCounted<NGUnpositionedFloat> {
@@ skipping 59 matching lines @@
   // context. They are stored for convinence and could be recomputed with other
   // data on this object.
   NGBoxStrut margins;
 
   // The fragment for this unpositioned float. This is only present if it's in
   // a different writing mode than the BFC.
   WTF::Optional<RefPtr<NGPhysicalBoxFragment>> fragment;
 
   bool IsLeft() const;
   bool IsRight() const;
+  EClear ClearType() const;
 
  private:
   NGUnpositionedFloat(const NGBoxStrut& margins,
                       const NGLogicalSize& available_size,
                       const NGLogicalSize& percentage_size,
                       const NGLogicalOffset& origin_offset,
                       const NGLogicalOffset& from_offset,
                       NGBlockNode* node,
                       NGBlockBreakToken* token)
       : node(node),
         token(token),
         available_size(available_size),
         percentage_size(percentage_size),
         origin_offset(origin_offset),
         from_offset(from_offset),
         margins(margins) {}
 };
 
 }  // namespace blink
 
 #endif  // NGUnpositionedFloat_h