[LayoutNG] Refactor of NGLineBreaker.

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h

Index: third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h
diff --git a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h
index 338d9a7348509f0b0bfef7856adcf1d3a10c3ba8..42dd4c471798b7112f7d2f931e3b8fd334285c27 100644
--- a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h
+++ b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.h
@@ -14,6 +14,7 @@
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_fragment_builder.h"
 #include "core/layout/ng/ng_layout_algorithm.h"
+#include "core/layout/ng/ng_layout_opportunity_iterator.h"
 #include "platform/fonts/FontBaseline.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/Vector.h"
@@ -39,9 +40,6 @@ class CORE_EXPORT NGInlineLayoutAlgorithm final
                           NGConstraintSpace*,
                           NGInlineBreakToken* = nullptr);
 
-  // The available width for the current line.
-  LayoutUnit AvailableWidth() const;
-
   // Create a line.
   // @return false if the line does not fit in the constraint space in block
   //         direction.
@@ -49,18 +47,10 @@ class CORE_EXPORT NGInlineLayoutAlgorithm final
 
   RefPtr<NGLayoutResult> Layout() override;
 
-  // Lays out the inline float.
-  // List of actions:
-  // - tries to position the float right away if we have enough space.
-  // - updates the current_opportunity if we actually place the float.
-  // - if it's too wide then we add the float to the unpositioned list so it can
-  //   be positioned after we're done with the current line.
-  void LayoutAndPositionFloat(LayoutUnit end_position, LayoutObject*);
-
  private:
   bool IsHorizontalWritingMode() const { return is_horizontal_writing_mode_; }
 
-  LayoutUnit LogicalLeftOffset() const;
+  LayoutUnit LogicalLeftOffset(const NGLayoutOpportunity&) const;
 
   void BidiReorder(NGInlineItemResults*);
 
@@ -78,8 +68,7 @@ class CORE_EXPORT NGInlineLayoutAlgorithm final
                       LayoutUnit inline_size,
                       LayoutUnit available_width);
 
-  // Finds the next layout opportunity for the next text fragment.
-  void FindNextLayoutOpportunity();
+  NGLayoutOpportunity FindLayoutOpportunityForLine();
 
   NGInlineLayoutStateStack box_states_;
   LayoutUnit content_size_;