Get back on mainline libpng 1.6 now that 3bpp perf patches are merged.
Checked manually in Instruments that we're still running our SSE filters for both RGB and RGBA PNGs.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1865633002
Review URL: https://codereview.chromium.org/1865633002
diff --git a/DEPS b/DEPS
index a900866..137d0ab 100644
--- a/DEPS
+++ b/DEPS
@@ -18,8 +18,7 @@
"third_party/externals/nanomsg" : "https://skia.googlesource.com/third_party/nanomsg.git@0.4-beta",
"third_party/externals/zlib" : "https://chromium.googlesource.com/chromium/src/third_party/zlib@c4e33043fb071b6ea0a153845da625d7ed633d3d",
# NOTE: If we update libpng, we may need to update the generated file at third_party/libpng/pnglibconf.h
- #"third_party/externals/libpng" : "https://skia.googlesource.com/third_party/libpng.git@52846504da1f519cf1bb89636caf9110e8677443",
- "third_party/externals/libpng" : "https://github.com/mtklein/libpng.git@d0513638e7cc7d22b7dace879afea848b342fe33",
+ "third_party/externals/libpng" : "https://skia.googlesource.com/third_party/libpng.git@5765a2224946b953ec6702bd01205af475f8c80a",
"third_party/externals/giflib" : "https://android.googlesource.com/platform/external/giflib.git@ab10e256df4f684260ca239905b1cec727181f6c",
"third_party/externals/dng_sdk" : "https://android.googlesource.com/platform/external/dng_sdk.git@1754202ed3e25b98179a4f377f0bdd605d9a157a",