Make CPDF_Function::Load() return an unique_ptr.

core/fpdfapi/fpdf_page/cpdf_meshstream.h

Index: core/fpdfapi/fpdf_page/cpdf_meshstream.h
diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.h b/core/fpdfapi/fpdf_page/cpdf_meshstream.h
index 462dcf09c75e0da0a731918f1551acecf2bf52a0..e5d37fe36b1c25075a15669ad47a562dff0b787e 100644
--- a/core/fpdfapi/fpdf_page/cpdf_meshstream.h
+++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.h
@@ -7,6 +7,9 @@
 #ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
 
+#include <memory>
+#include <vector>
+
 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
 #include "core/fxcrt/include/fx_basic.h"
 #include "core/fxcrt/include/fx_system.h"
@@ -26,11 +29,10 @@ class CPDF_Stream;
 
 class CPDF_MeshStream {
  public:
-  FX_BOOL Load(CPDF_Stream* pShadingStream,
-               CPDF_Function** pFuncs,
-               int nFuncs,
-               CPDF_ColorSpace* pCS);
+  CPDF_MeshStream(const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
+                  CPDF_ColorSpace* pCS);
 
+  bool Load(CPDF_Stream* pShadingStream);
   uint32_t GetFlag();
 
   void GetCoords(FX_FLOAT& x, FX_FLOAT& y);
@@ -41,9 +43,15 @@ class CPDF_MeshStream {
                        int count,
                        CFX_Matrix* pObject2Bitmap);
 
-  CPDF_Function** m_pFuncs;
-  CPDF_ColorSpace* m_pCS;
-  uint32_t m_nFuncs;
+  CFX_BitStream* BitStream() { return &m_BitStream; }
+  uint32_t CoordBits() const { return m_nCoordBits; }
+  uint32_t CompBits() const { return m_nCompBits; }
+  uint32_t FlagBits() const { return m_nFlagBits; }
+  uint32_t comps() const { return m_nComps; }
+
+ private:
+  const std::vector<std::unique_ptr<CPDF_Function>>& m_funcs;
+  CPDF_ColorSpace* const m_pCS;
   uint32_t m_nCoordBits;
   uint32_t m_nCompBits;
   uint32_t m_nFlagBits;