Add SkEncodedInfo to report properties of encoded image data

src/codec/SkCodec.cpp

Index: src/codec/SkCodec.cpp
diff --git a/src/codec/SkCodec.cpp b/src/codec/SkCodec.cpp
index 7bc831a6ac52f027265a556d29a1b8e3acce3a14..8468f8a09996d1c7e79363970f9103e106049c7a 100644
--- a/src/codec/SkCodec.cpp
+++ b/src/codec/SkCodec.cpp
@@ -114,9 +114,10 @@ SkCodec* SkCodec::NewFromData(SkData* data, SkPngChunkReader* reader) {
     return NewFromStream(new SkMemoryStream(data), reader);
 }
 
-SkCodec::SkCodec(const SkImageInfo& info, SkStream* stream, sk_sp<SkColorSpace> colorSpace,
-        Origin origin)
-    : fSrcInfo(info)
+SkCodec::SkCodec(int width, int height, const SkEncodedInfo& info, SkStream* stream,
+        sk_sp<SkColorSpace> colorSpace, Origin origin)
+    : fEncodedInfo(info)
+    , fSrcInfo(info.makeImageInfo(width, height))
     , fStream(stream)
     , fNeedsRewind(false)
     , fColorSpace(colorSpace)