1 files changed, 10 insertions, 27 deletions
diff --git a/core/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/fxcodec/codec/fx_codec_jpx_opj.cpp
index eccf876218..4fc3d689f1 100644
--- a/core/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -7,12 +7,15 @@
 #include <algorithm>
 #include <limits>
 #include <memory>
+#include <utility>
 #include <vector>
 
 #include "core/fpdfapi/page/cpdf_colorspace.h"
+#include "core/fxcodec/codec/cjpx_decoder.h"
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/fx_codec.h"
 #include "core/fxcrt/fx_safe_types.h"
+#include "third_party/base/ptr_util.h"
 #include "third_party/lcms2-2.6/include/lcms2.h"
 #include "third_party/libopenjpeg20/openjpeg.h"
 
@@ -669,24 +672,6 @@ void color_apply_conversion(opj_image_t* image) {
     return;
   }
 }
-class CJPX_Decoder {
- public:
-  explicit CJPX_Decoder(CPDF_ColorSpace* cs);
-  ~CJPX_Decoder();
-  bool Init(const unsigned char* src_data, uint32_t src_size);
-  void GetInfo(uint32_t* width, uint32_t* height, uint32_t* components);
-  bool Decode(uint8_t* dest_buf,
-              int pitch,
-              const std::vector<uint8_t>& offsets);
-
- private:
-  const uint8_t* m_SrcData;
-  uint32_t m_SrcSize;
-  opj_image_t* image;
-  opj_codec_t* l_codec;
-  opj_stream_t* l_stream;
-  const CPDF_ColorSpace* const m_ColorSpace;
-};
 
 CJPX_Decoder::CJPX_Decoder(CPDF_ColorSpace* cs)
     : image(nullptr), l_codec(nullptr), l_stream(nullptr), m_ColorSpace(cs) {}
@@ -872,13 +857,15 @@ bool CJPX_Decoder::Decode(uint8_t* dest_buf,
 }
 
 CCodec_JpxModule::CCodec_JpxModule() {}
+
 CCodec_JpxModule::~CCodec_JpxModule() {}
 
-CJPX_Decoder* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf,
-                                              uint32_t src_size,
-                                              CPDF_ColorSpace* cs) {
-  std::unique_ptr<CJPX_Decoder> decoder(new CJPX_Decoder(cs));
-  return decoder->Init(src_buf, src_size) ? decoder.release() : nullptr;
+std::unique_ptr<CJPX_Decoder> CCodec_JpxModule::CreateDecoder(
+    const uint8_t* src_buf,
+    uint32_t src_size,
+    CPDF_ColorSpace* cs) {
+  auto decoder = pdfium::MakeUnique<CJPX_Decoder>(cs);
+  return decoder->Init(src_buf, src_size) ? std::move(decoder) : nullptr;
 }
 
 void CCodec_JpxModule::GetImageInfo(CJPX_Decoder* pDecoder,
@@ -894,7 +881,3 @@ bool CCodec_JpxModule::Decode(CJPX_Decoder* pDecoder,
                               const std::vector<uint8_t>& offsets) {
   return pDecoder->Decode(dest_data, pitch, offsets);
 }
-
-void CCodec_JpxModule::DestroyDecoder(CJPX_Decoder* pDecoder) {
-  delete pDecoder;
-}