Make code compile with clang_use_chrome_plugin (part II)

core/fpdfdoc/clines.h

+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFDOC_CLINES_H_
+#define CORE_FPDFDOC_CLINES_H_
+
+#include "core/fpdfdoc/pdf_vt.h"
+
+class CLines final {
+ public:
+  CLines();
+  ~CLines();
+
+  int32_t GetSize() const;
+  CLine* GetAt(int32_t nIndex) const;
+
+  void Empty();
+  void RemoveAll();
+  int32_t Add(const CPVT_LineInfo& lineinfo);
+  void Clear();
+
+ private:
+  CPVT_ArrayTemplate<CLine*> m_Lines;
+  int32_t m_nTotal;
+};
+
+#endif  // CORE_FPDFDOC_CLINES_H_