[layoutng] Split NGLayoutResult out of NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.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_text_layout_algorithm.h"
 
 #include "core/layout/ng/ng_box_fragment.h"
 #include "core/layout/ng/ng_break_token.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_line_builder.h"
 #include "core/layout/ng/ng_text_fragment.h"
 #include "core/style/ComputedStyle.h"
 #include "platform/text/TextBreakIterator.h"
 
 namespace blink {
 
 NGTextLayoutAlgorithm::NGTextLayoutAlgorithm(
     NGInlineNode* inline_box,
     NGConstraintSpace* constraint_space,
     NGBreakToken* break_token)
     : inline_box_(inline_box),
       constraint_space_(constraint_space),
       break_token_(break_token) {
   DCHECK(inline_box_);
 }
 
-RefPtr<NGPhysicalFragment> NGTextLayoutAlgorithm::Layout() {
+RefPtr<NGLayoutResult> NGTextLayoutAlgorithm::Layout() {
   ASSERT_NOT_REACHED();
   return nullptr;
 }
 
 static bool IsHangable(UChar ch) {
   return ch == ' ';
 }
 
 void NGTextLayoutAlgorithm::LayoutInline(NGLineBuilder* line_builder) {
   // TODO(kojii): Make this tickable. Each line is easy. Needs more thoughts
@@ skipping 64 matching lines @@
     }
   }
 
   // If inline children ended with items left in the line builder, create a line
   // for them.
   if (line_builder->HasItems())
     line_builder->CreateLine();
 }
 
 }  // namespace blink