Fix leak in CPDF_StreamContentParser::AddTextObject().

core/fpdfapi/fpdf_page/cpdf_clippathdata.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_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_
 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_
 
 #include <stdint.h>
 
+#include <memory>
+#include <vector>
+
 class CPDF_Path;
 class CPDF_TextObject;
 
 class CPDF_ClipPathData {
  public:
   CPDF_ClipPathData();
   CPDF_ClipPathData(const CPDF_ClipPathData&);
   ~CPDF_ClipPathData();
 
-  void SetCount(int path_count, int text_count);
-
-  int m_PathCount;
-  CPDF_Path* m_pPathList;
-  uint8_t* m_pTypeList;
-  int m_TextCount;
-  CPDF_TextObject** m_pTextList;
+  std::vector<CPDF_Path> m_PathList;
+  std::vector<uint8_t> m_TypeList;
+  std::vector<std::unique_ptr<CPDF_TextObject>> m_TextList;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_