[css-grid] Get rid of GridResolvedPosition

third_party/WebKit/Source/core/style/GridResolvedPosition.h

 // Copyright 2014 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 GridResolvedPosition_h
 #define GridResolvedPosition_h
 
 #include "core/style/GridPosition.h"
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 struct GridSpan;
 class LayoutBox;
 class ComputedStyle;
 
 enum GridPositionSide {
     ColumnStartSide,
     ColumnEndSide,
     RowStartSide,
     RowEndSide
 };
 
 enum GridTrackSizingDirection {
     ForColumns,
     ForRows
 };
 
-// This class represents a line index into one of the dimensions of the grid array.
-// Wraps a size_t integer just for the purpose of knowing what we manipulate in the grid code.
+// This is a utility class with all the code related to grid items positions resolution.
+// TODO(rego): Rename class to GridPositionsResolver.
 class GridResolvedPosition {
     DISALLOW_NEW();
 public:
 
-    GridResolvedPosition(size_t position)
-        : m_integerPosition(position)
-    {
-    }
-
-    GridResolvedPosition& operator*()
-    {
-        return *this;
-    }
-
-    GridResolvedPosition& operator++()
-    {
-        m_integerPosition++;
-        return *this;
-    }
-
-    bool operator==(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition == other.m_integerPosition;
-    }
-
-    bool operator!=(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition != other.m_integerPosition;
-    }
-
-    bool operator<(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition < other.m_integerPosition;
-    }
-
-    bool operator>(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition > other.m_integerPosition;
-    }
-
-    bool operator<=(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition <= other.m_integerPosition;
-    }
-
-    bool operator>=(const GridResolvedPosition& other) const
-    {
-        return m_integerPosition >= other.m_integerPosition;
-    }
-
-    size_t toInt() const
-    {
-        return m_integerPosition;
-    }
-
-    GridResolvedPosition next() const
-    {
-        return GridResolvedPosition(m_integerPosition + 1);
-    }
-
-    GridResolvedPosition prev() const
-    {
-        return GridResolvedPosition(m_integerPosition > 0 ? m_integerPosition - 1 : 0);
-    }
-
     static size_t explicitGridColumnCount(const ComputedStyle&);
     static size_t explicitGridRowCount(const ComputedStyle&);
 
     static bool isValidNamedLineOrArea(const String& lineName, const ComputedStyle&, GridPositionSide);
 
     static GridPositionSide initialPositionSide(GridTrackSizingDirection);
     static GridPositionSide finalPositionSide(GridTrackSizingDirection);
 
-    static GridSpan resolveGridPositionsFromAutoPlacementPosition(const ComputedStyle&, const LayoutBox&, GridTrackSizingDirection, const GridResolvedPosition&);
+    static GridSpan resolveGridPositionsFromAutoPlacementPosition(const ComputedStyle&, const LayoutBox&, GridTrackSizingDirection, size_t resolvedInitialPosition);
     static GridSpan resolveGridPositionsFromStyle(const ComputedStyle&, const LayoutBox&, GridTrackSizingDirection);
 
-private:
-
-    size_t m_integerPosition;
 };
 
 } // namespace blink
 
 #endif // GridResolvedPosition_h