Revert of JPEG YUV Decoding

include/core/SkImageDecoder.h

Index: include/core/SkImageDecoder.h
diff --git a/include/core/SkImageDecoder.h b/include/core/SkImageDecoder.h
index 94831762deaf4f4ef58131e831769093761a5cc4..5910d33a997a4950aad0694d1beb0619f6edb31b 100644
--- a/include/core/SkImageDecoder.h
+++ b/include/core/SkImageDecoder.h
@@ -47,15 +47,6 @@
     */
     virtual Format getFormat() const;
 
-    /** If planes or rowBytes is NULL, decodes the header and computes componentSizes
-        for memory allocation.
-        Otherwise, decodes the YUV planes into the provided image planes and
-        updates componentSizes to the final image size.
-        Returns whether the decoding was successful.
-    */
-    bool decodeYUV8Planes(SkStream* stream, SkISize componentSizes[3], void* planes[3],
-                          size_t rowBytes[3], SkYUVColorSpace*);
-
     /** Return the format of the SkStreamRewindable or kUnknown_Format if it cannot be determined.
         Rewinds the stream before returning.
     */
@@ -345,17 +336,6 @@
     // If the decoder wants to support tiled based decoding,
     // this method must be overridden. This guy is called by decodeRegion(...)
     virtual bool onDecodeSubset(SkBitmap* bitmap, const SkIRect& rect) {
-        return false;
-    }
-
-    /** If planes or rowBytes is NULL, decodes the header and computes componentSizes
-        for memory allocation.
-        Otherwise, decodes the YUV planes into the provided image planes and
-        updates componentSizes to the final image size.
-        Returns whether the decoding was successful.
-    */
-    virtual bool onDecodeYUV8Planes(SkStream* stream, SkISize componentSizes[3], void* planes[3],
-                                    size_t rowBytes[3], SkYUVColorSpace*) {
         return false;
     }