Delete unused core/layout/GapRects.h

third_party/WebKit/Source/core/layout/GapRects.h

-/*
-    Copyright (C) 2005, 2006 Apple Inc. All rights reserved.
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-
-
-    Some useful definitions needed for laying out elements
-*/
-
-#ifndef GapRects_h
-#define GapRects_h
-
-#include "platform/geometry/LayoutRect.h"
-#include "platform/wtf/Allocator.h"
-
-namespace blink {
-
-struct GapRects {
-  STACK_ALLOCATED();
-  const LayoutRect& left() const { return m_left; }
-  const LayoutRect& center() const { return m_center; }
-  const LayoutRect& right() const { return m_right; }
-
-  void uniteLeft(const LayoutRect& r) { m_left.unite(r); }
-  void uniteCenter(const LayoutRect& r) { m_center.unite(r); }
-  void uniteRight(const LayoutRect& r) { m_right.unite(r); }
-  void unite(const GapRects& o) {
-    uniteLeft(o.left());
-    uniteCenter(o.center());
-    uniteRight(o.right());
-  }
-
-  operator LayoutRect() const {
-    LayoutRect result = m_left;
-    result.unite(m_center);
-    result.unite(m_right);
-    return result;
-  }
-
-  bool operator==(const GapRects& other) {
-    return m_left == other.left() && m_center == other.center() &&
-           m_right == other.right();
-  }
-  bool operator!=(const GapRects& other) { return !(*this == other); }
-
- private:
-  LayoutRect m_left;
-  LayoutRect m_center;
-  LayoutRect m_right;
-};
-
-}  // namespace blink
-
-#endif  // GapRects_h