testing/png_codec/DEPS - pdfium - Git at Google

 include_rules = [
   '+third_party/libpng',
   '+third_party/skia/include',
   '+third_party/zlib',
 ]
	include_rules = [
	'+third_party/libpng',
	'+third_party/skia/include',
	'+third_party/zlib',
	]