blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/core/layout/ng/ng_inline_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 NGInlineLayoutAlgorithm_h
 #define NGInlineLayoutAlgorithm_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_inline_node.h"
 #include "core/layout/ng/ng_layout_algorithm.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class ComputedStyle;
 class NGConstraintSpace;
-class NGPhysicalFragment;
 class NGBreakToken;
 
 // A class for inline layout (e.g. a anonymous block with inline-level children
 // only).
 //
 // This algorithm may at some point be merged with NGBlockLayoutAlgorithm in
 // the future. Currently it exists as its own class to simplify the LayoutNG
 // transition period.
 class CORE_EXPORT NGInlineLayoutAlgorithm : public NGLayoutAlgorithm {
  public:
@@ skipping 20 matching lines @@
 
   RefPtr<const ComputedStyle> style_;
   Member<NGInlineNode> first_child_;
   Member<NGConstraintSpace> constraint_space_;
   Member<NGBreakToken> break_token_;
 };
 
 }  // namespace blink
 
 #endif  // NGInlineLayoutAlgorithm_h