Respect the clearance while positioning pending floats.

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

 // Copyright 2017 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.
 
 #include "core/layout/ng/ng_unpositioned_float.h"
 
 #include "core/style/ComputedStyle.h"
-#include "core/style/ComputedStyleConstants.h"
 
 namespace blink {
 
 bool NGUnpositionedFloat::IsLeft() const {
   return node->Style().Floating() == EFloat::kLeft;
 }
 
 bool NGUnpositionedFloat::IsRight() const {
   return node->Style().Floating() == EFloat::kRight;
 }
 
+EClear NGUnpositionedFloat::ClearType() const {
+  return node->Style().Clear();
+}
+
 }  // namespace blink