Fix leak in CPDF_StreamContentParser::AddTextObject().

core/fpdfapi/fpdf_page/cpdf_clippathdata.h

Index: core/fpdfapi/fpdf_page/cpdf_clippathdata.h
diff --git a/core/fpdfapi/fpdf_page/cpdf_clippathdata.h b/core/fpdfapi/fpdf_page/cpdf_clippathdata.h
index 05a247f7535dfc5a04d075467763225840fe67a6..b4098cb24d46c4cfde66776c95d1d3a8626191c3 100644
--- a/core/fpdfapi/fpdf_page/cpdf_clippathdata.h
+++ b/core/fpdfapi/fpdf_page/cpdf_clippathdata.h
@@ -9,6 +9,9 @@
 
 #include <stdint.h>
 
+#include <memory>
+#include <vector>
+
 class CPDF_Path;
 class CPDF_TextObject;
 
@@ -18,13 +21,9 @@ class 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_