Update Skia's YUV API

src/codec/SkCodecImageGenerator.cpp

Index: src/codec/SkCodecImageGenerator.cpp
diff --git a/src/codec/SkCodecImageGenerator.cpp b/src/codec/SkCodecImageGenerator.cpp
index e6e164ef6137ba358b2b769a928f5af98ade8bab..e579da92f6f435c8a34ba21aae5fdfb02f2cbe23 100644
--- a/src/codec/SkCodecImageGenerator.cpp
+++ b/src/codec/SkCodecImageGenerator.cpp
@@ -28,9 +28,6 @@ SkCodecImageGenerator::SkCodecImageGenerator(SkCodec* codec, SkData* data)
     : INHERITED(make_premul(codec->getInfo()))
     , fCodec(codec)
     , fData(SkRef(data))
-    , fYWidth(0)
-    , fUWidth(0)
-    , fVWidth(0)
 {}
 
 SkData* SkCodecImageGenerator::onRefEncodedData(SK_REFENCODEDDATA_CTXPARAM) {
@@ -51,47 +48,13 @@ bool SkCodecImageGenerator::onGetPixels(const SkImageInfo& info, void* pixels, s
     }
 }
 
-bool SkCodecImageGenerator::onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3],
-        SkYUVColorSpace* colorSpace) {
-    // TODO (msarett): Change the YUV API in ImageGenerator to match SkCodec.
-    //                 This function is currently a hack to match the implementation
-    //                 in SkCodec with the old API.
-    SkCodec::YUVSizeInfo sizeInfo;
-
-    // If planes is NULL, we just need to return the size.
-    if (nullptr == planes) {
-        bool result = fCodec->queryYUV8(&sizeInfo, colorSpace);
-        if (result) {
-            // Save the true widths
-            fYWidth = sizeInfo.fYSize.width();
-            fUWidth = sizeInfo.fUSize.width();
-            fVWidth = sizeInfo.fVSize.width();
-
-            // Set the sizes so that the client allocates enough memory
-            sizes[0].fWidth = (int) sizeInfo.fYWidthBytes;
-            sizes[0].fHeight = sizeInfo.fYSize.height();
-            sizes[1].fWidth = (int) sizeInfo.fUWidthBytes;
-            sizes[1].fHeight = sizeInfo.fUSize.height();
-            sizes[2].fWidth = (int) sizeInfo.fVWidthBytes;
-            sizes[2].fHeight = sizeInfo.fVSize.height();
-        }
-        return result;
-    }
-
-    // Set the sizeInfo with the true widths and heights
-    SkASSERT(fYWidth != 0 && fUWidth != 0 && fVWidth != 0);
-    sizeInfo.fYSize.set(fYWidth, sizes[0].height());
-    sizeInfo.fUSize.set(fUWidth, sizes[1].height());
-    sizeInfo.fVSize.set(fVWidth, sizes[2].height());
+bool SkCodecImageGenerator::onQueryYUV8(SkYUVSizeInfo* sizeInfo, SkYUVColorSpace* colorSpace) const
+{
+    return fCodec->queryYUV8(sizeInfo, colorSpace);
+}
 
-    // Set the sizeInfo with the allocated widths
-    sizeInfo.fYWidthBytes = sizes[0].width();
-    sizeInfo.fUWidthBytes = sizes[1].width();
-    sizeInfo.fVWidthBytes = sizes[2].width();
+bool SkCodecImageGenerator::onGetYUV8Planes(const SkYUVSizeInfo& sizeInfo, void* planes[3]) {
     SkCodec::Result result = fCodec->getYUV8Planes(sizeInfo, planes);
-    if ((result == SkCodec::kSuccess || result == SkCodec::kIncompleteInput) && colorSpace) {
-        *colorSpace = kJPEG_SkYUVColorSpace;
-    }
 
     switch (result) {
         case SkCodec::kSuccess: