Simplify flattening to just write enough to call the factory

include/effects/SkTileImageFilter.h

Index: include/effects/SkTileImageFilter.h
diff --git a/include/effects/SkTileImageFilter.h b/include/effects/SkTileImageFilter.h
index 29e3ca571ff6a16b5aa221afc5a418b50bc470d2..084f726e88aa0908f289803d1a4ef278cb39216e 100644
--- a/include/effects/SkTileImageFilter.h
+++ b/include/effects/SkTileImageFilter.h
@@ -20,9 +20,7 @@ public:
         @param input    Input from which the subregion defined by srcRect will be tiled
     */
     static SkTileImageFilter* Create(const SkRect& srcRect, const SkRect& dstRect,
-                                     SkImageFilter* input) {
-        return SkNEW_ARGS(SkTileImageFilter, (srcRect, dstRect, input));
-    }
+                                     SkImageFilter* input);
 
     virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx,
                                SkBitmap* dst, SkIPoint* offset) const SK_OVERRIDE;
@@ -34,7 +32,9 @@ public:
 protected:
     SkTileImageFilter(const SkRect& srcRect, const SkRect& dstRect, SkImageFilter* input)
         : INHERITED(1, &input), fSrcRect(srcRect), fDstRect(dstRect) {}
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
     explicit SkTileImageFilter(SkReadBuffer& buffer);
+#endif
 
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;