png_set_text     2509 third_party/libpng/png.h extern PNG_EXPORT(void,png_set_text) PNGARG((png_structp png_ptr,
png_set_text      495 tools/imagediff/image_diff_png.cc     png_set_text(png_ptr, info_ptr, comment_writer.get_png_text(),
png_set_text      606 ui/gfx/codec/png_codec.cc     png_set_text(png_ptr, info_ptr, comment_writer.get_png_text(),