WIP: Implement APNG

third_party/WebKit/Source/platform/BUILD.gn

Index: third_party/WebKit/Source/platform/BUILD.gn
diff --git a/third_party/WebKit/Source/platform/BUILD.gn b/third_party/WebKit/Source/platform/BUILD.gn
index d05b9bda86309e989235acb1f9a3f703234f0769..b8ccf111506607286fb33f9a482d18662c956977 100644
--- a/third_party/WebKit/Source/platform/BUILD.gn
+++ b/third_party/WebKit/Source/platform/BUILD.gn
@@ -1028,6 +1028,8 @@ component("platform") {
     "image-decoders/jpeg/JPEGImageDecoder.h",
     "image-decoders/png/PNGImageDecoder.cpp",
     "image-decoders/png/PNGImageDecoder.h",
+    "image-decoders/png/PNGImageReader.cpp",
+    "image-decoders/png/PNGImageReader.h",
     "image-decoders/webp/WEBPImageDecoder.cpp",
     "image-decoders/webp/WEBPImageDecoder.h",
     "image-encoders/ImageEncoderUtils.cpp",
@@ -1695,6 +1697,7 @@ test("blink_platform_unittests") {
     "image-decoders/gif/GIFImageDecoderTest.cpp",
     "image-decoders/ico/ICOImageDecoderTest.cpp",
     "image-decoders/jpeg/JPEGImageDecoderTest.cpp",
+    "image-decoders/png/PNGImageDecoderTest.cpp",
     "image-decoders/webp/WEBPImageDecoderTest.cpp",
     "json/JSONParserTest.cpp",
     "mac/VersionUtilMacTest.mm",