NGInlineLayoutAlgorithm should take margins of inline floats into account

third_party/WebKit/Source/core/layout/ng/ng_layout_algorithm.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 NGLayoutAlgorithm_h
 #define NGLayoutAlgorithm_h
 
 #include "core/CoreExport.h"
+#include "core/layout/ng/ng_constraint_space.h"
+#include "core/layout/ng/ng_layout_input_node.h"
 #include "core/layout/ng/ng_min_max_content_size.h"
 #include "wtf/Allocator.h"
 #include "wtf/Optional.h"
 
 namespace blink {
 
 class ComputedStyle;
-class NGConstraintSpace;
+struct NGBoxStrut;
 class NGLayoutResult;
 
 // Base class for all LayoutNG algorithms.
 template <typename NGInputNodeType, typename NGBreakTokenType>
 class CORE_EXPORT NGLayoutAlgorithm {
   STACK_ALLOCATED();
  public:
   NGLayoutAlgorithm(NGInputNodeType* node,
                     NGConstraintSpace* space,
                     NGBreakTokenType* break_token)
@@ skipping 10 matching lines @@
   // Computes the min-content and max-content intrinsic sizes for the given box.
   // The result will not take any min-width, max-width or width properties into
   // account. If the return value is empty, the caller is expected to synthesize
   // this value from the overflow rect returned from Layout called with an
   // available width of 0 and LayoutUnit::max(), respectively.
   virtual Optional<MinMaxContentSize> ComputeMinMaxContentSize() const {
     return WTF::nullopt;
   }
 
  protected:
+  static NGBoxStrut ComputeMarginsForChild(const NGConstraintSpace& space,
+                                           NGLayoutInputNode* child);
+
   const NGConstraintSpace& ConstraintSpace() const {
     DCHECK(constraint_space_);
     return *constraint_space_;
   }
   NGConstraintSpace* MutableConstraintSpace() { return constraint_space_; }
 
   const ComputedStyle& Style() const {
     DCHECK(node_);
     return node_->Style();
   }
 
   virtual NGInputNodeType* Node() const { return node_; }
 
   NGBreakTokenType* BreakToken() const { return break_token_; }
 
   Persistent<NGInputNodeType> node_;
   NGConstraintSpace* constraint_space_;
 
   // The break token from which we are currently resuming layout.
   NGBreakTokenType* break_token_;
 };
 
 }  // namespace blink
 
 #endif  // NGLayoutAlgorithm_h