[LayoutNG] Add NGInlineBreakToken and back of NGInlineLayoutAlgorithm

third_party/WebKit/Source/core/layout/ng/ng_inline_node_test.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_inline_node.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_fragment_builder.h"
-#include "core/layout/ng/ng_line_builder.h"
+#include "core/layout/ng/ng_inline_layout_algorithm.h"
 #include "core/layout/ng/ng_physical_box_fragment.h"
 #include "core/layout/ng/ng_physical_line_box_fragment.h"
 #include "core/layout/ng/ng_physical_text_fragment.h"
 #include "core/layout/ng/ng_text_fragment.h"
-#include "core/layout/ng/ng_text_layout_algorithm.h"
 #include "core/style/ComputedStyle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 class NGInlineNodeForTest : public NGInlineNode {
  public:
   using NGInlineNode::NGInlineNode;
 
   LayoutObject* GetLayoutObject() override { return nullptr; }
@@ skipping 59 matching lines @@
     if (!layout_block_flow_)
       SetupHtml("t", "<div id=t style='font:10px'>test</div>");
     return new NGInlineNodeForTest(layout_object_, layout_block_flow_);
   }
 
   void CreateLine(NGInlineNode* node,
                   Vector<RefPtr<const NGPhysicalTextFragment>>* fragments_out) {
     RefPtr<NGConstraintSpace> constraint_space =
         NGConstraintSpaceBuilder(kHorizontalTopBottom)
             .ToConstraintSpace(kHorizontalTopBottom);
-    NGLineBuilder line_builder(node, constraint_space.get());
+    RefPtr<NGLayoutResult> result =
+        NGInlineLayoutAlgorithm(node, constraint_space.get()).Layout();
 
-    NGTextLayoutAlgorithm algorithm(node);
-    algorithm.LayoutInline(&line_builder);
-
-    RefPtr<NGLayoutResult> result = line_builder.CreateFragments();
     const NGPhysicalBoxFragment* container =
         toNGPhysicalBoxFragment(result->PhysicalFragment().get());
     EXPECT_EQ(container->Children().size(), 1u);
     const NGPhysicalLineBoxFragment* line =
         toNGPhysicalLineBoxFragment(container->Children()[0].get());
     for (const auto& child : line->Children()) {
       fragments_out->push_back(toNGPhysicalTextFragment(child.get()));
     }
   }
 
@@ skipping 197 matching lines @@
   TEST_TEXT_FRAGMENT(fragments[3], node, 2u, 7u, 13u, TextDirection::kRtl);
   TEST_TEXT_FRAGMENT(fragments[4], node, 8u, 22u, 28u, TextDirection::kLtr);
 }
 
 TEST_F(NGInlineNodeTest, MinMaxContentSize) {
   UseLayoutObjectAndAhem();
   NGInlineNodeForTest* node = CreateInlineNode();
   node->Append("AB CDE", style_.get(), layout_object_);
   node->ShapeText();
   MinMaxContentSize sizes = node->ComputeMinMaxContentSize();
-  // TODO(kojii): min_content should be 20, but is 30 until NGLineBuilder
-  // implements trailing spaces correctly.
+  // TODO(kojii): min_content should be 20, but is 30 until
+  // NGInlineLayoutAlgorithm implements trailing spaces correctly.
   EXPECT_EQ(30, sizes.min_content);
   EXPECT_EQ(60, sizes.max_content);
 }
 
 TEST_F(NGInlineNodeTest, MinMaxContentSizeElementBoundary) {
   UseLayoutObjectAndAhem();
   NGInlineNodeForTest* node = CreateInlineNode();
   node->Append("A B", style_.get(), layout_object_);
   node->Append("C D", style_.get(), layout_object_);
   node->ShapeText();
   MinMaxContentSize sizes = node->ComputeMinMaxContentSize();
   // |min_content| should be the width of "BC" because there is an element
   // boundary between "B" and "C" but no break opportunities.
-  // TODO(kojii): min_content should be 20, but is 30 until NGLineBuilder
-  // implements trailing spaces correctly.
+  // TODO(kojii): min_content should be 20, but is 30 until
+  // NGInlineLayoutAlgorithm implements trailing spaces correctly.
   EXPECT_EQ(30, sizes.min_content);
   EXPECT_EQ(60, sizes.max_content);
 }
 
 }  // namespace blink