new API for retrieving YUV data

src/ports/SkImageGenerator_skia.cpp

Index: src/ports/SkImageGenerator_skia.cpp
diff --git a/src/ports/SkImageGenerator_skia.cpp b/src/ports/SkImageGenerator_skia.cpp
index cd02ae25673a86c6c632a9e3b2be5c5e283e1ce0..35c7e051ab508337e4881d676c8216eaf69a3f9e 100644
--- a/src/ports/SkImageGenerator_skia.cpp
+++ b/src/ports/SkImageGenerator_skia.cpp
@@ -86,12 +86,15 @@ protected:
         return true;
     }
 
-    bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3],
-                         SkYUVColorSpace* colorSpace) SK_OVERRIDE {
+    bool onQueryYUV8(SkISize logical[3], SkISize optimal[3]) SK_OVERRIDE {
         SkMemoryStream stream(fData->data(), fData->size(), false);
-        return fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colorSpace);
+        return false;//fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colorSpace);
+    }
+
+    bool onGetYUV8(const SkISize sizes[3], void* planes[3], SkYUVColorSpace* cspace) SK_OVERRIDE {
+        SkMemoryStream stream(fData->data(), fData->size(), false);
+        return false;//fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colorSpace);
     }
-    
 };
 
 SkImageGenerator* SkImageGenerator::NewFromData(SkData* data) {