Remove orphaned SkImageDecoder::Target.

include/core/SkImageDecoder.h

Index: include/core/SkImageDecoder.h
diff --git a/include/core/SkImageDecoder.h b/include/core/SkImageDecoder.h
index b384708d305b0db259b899e9185b26e729504a03..d720f4e5edaeedeea3a199b09d5ece2c8fcdfae8 100644
--- a/include/core/SkImageDecoder.h
+++ b/include/core/SkImageDecoder.h
@@ -313,21 +313,6 @@ public:
         return DecodeMemory(buffer, size, bitmap, kUnknown_SkColorType, kDecodePixels_Mode, NULL);
     }
 
-    /**
-     *  Struct containing information about a pixel destination.
-     */
-    struct Target {
-        /**
-         *  Pre-allocated memory.
-         */
-        void*  fAddr;
-
-        /**
-         *  Rowbytes of the allocated memory.
-         */
-        size_t fRowBytes;
-    };
-
     /** Decode the image stored in the specified SkStreamRewindable, and store the result
         in bitmap. Return true for success or false on failure.