PngWriteStructDestroyer  339 ui/gfx/codec/png_codec.cc   explicit PngWriteStructDestroyer(png_struct** ps) : ps_(ps), pi_(0) {
PngWriteStructDestroyer  350 ui/gfx/codec/png_codec.cc   DISALLOW_COPY_AND_ASSIGN(PngWriteStructDestroyer);
PngWriteStructDestroyer  719 ui/gfx/codec/png_codec.cc   PngWriteStructDestroyer destroyer(&png_ptr);