DecodeInfoCallback 338 tools/imagediff/image_diff_png.cc png_set_progressive_read_fn(png_ptr, &state, &DecodeInfoCallback, DecodeInfoCallback 418 ui/gfx/codec/png_codec.cc png_set_progressive_read_fn(png_ptr, &state, &DecodeInfoCallback, DecodeInfoCallback 456 ui/gfx/codec/png_codec.cc png_set_progressive_read_fn(png_ptr, &state, &DecodeInfoCallback,