[LayoutNG] Move remaining ng_units structs to their own files

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

 // 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.
 
 #include "core/layout/ng/ng_line_builder.h"
 
 #include "core/layout/BidiRun.h"
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/line/LineInfo.h"
 #include "core/layout/line/RootInlineBox.h"
 #include "core/layout/ng/ng_bidi_paragraph.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_fragment_builder.h"
 #include "core/layout/ng/ng_inline_node.h"
 #include "core/layout/ng/ng_length_utils.h"
 #include "core/layout/ng/ng_text_fragment.h"
-#include "core/layout/ng/ng_units.h"
 #include "core/style/ComputedStyle.h"
 #include "platform/text/BidiRunList.h"
 
 namespace blink {
 
 NGLineBuilder::NGLineBuilder(NGInlineNode* inline_box,
                              const NGConstraintSpace* constraint_space)
     : inline_box_(inline_box),
       constraint_space_(constraint_space),
       baseline_type_(constraint_space->WritingMode() ==
@@ skipping 381 matching lines @@
     fragments_for_bidi_runs.clear();
   }
 }
 
 DEFINE_TRACE(NGLineBuilder) {
   visitor->trace(inline_box_);
   visitor->trace(constraint_space_);
 }
 
 }  // namespace blink