1 files changed, 8 insertions, 10 deletions
diff --git a/core/fxcodec/codec/ccodec_pngmodule.h b/core/fxcodec/codec/ccodec_pngmodule.h
index 847f67e8eb..e97a221dfc 100644
--- a/core/fxcodec/codec/ccodec_pngmodule.h
+++ b/core/fxcodec/codec/ccodec_pngmodule.h
@@ -9,17 +9,13 @@
 
 #include <memory>
 
+#include "core/fxcodec/codec/codec_module_iface.h"
 #include "core/fxcrt/fx_system.h"
 
 class CFX_DIBAttribute;
 
-class CCodec_PngModule {
+class CCodec_PngModule final : public CodecModuleIface {
  public:
-  class Context {
-   public:
-    virtual ~Context() {}
-  };
-
   class Delegate {
    public:
     virtual bool PngReadHeader(int width,
@@ -36,11 +32,13 @@ class CCodec_PngModule {
     virtual void PngFillScanlineBufCompleted(int pass, int line) = 0;
   };
 
-  std::unique_ptr<Context> Start(Delegate* pDelegate);
+  // CodecModuleIface:
+  FX_FILESIZE GetAvailInput(Context* pContext) const override;
   bool Input(Context* pContext,
-             const uint8_t* src_buf,
-             uint32_t src_size,
-             CFX_DIBAttribute* pAttribute);
+             pdfium::span<uint8_t> src_buf,
+             CFX_DIBAttribute* pAttribute) override;
+
+  std::unique_ptr<Context> Start(Delegate* pDelegate);
 };
 
 #endif  // CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_