Remove SkNEW and SkDELETE macros

src/codec/SkCodec_libgif.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCodec_libgif.h"
 #include "SkCodecPriv.h"
 #include "SkColorPriv.h"
@@ skipping 683 matching lines @@
 };
 
 SkScanlineDecoder* SkGifCodec::NewSDFromStream(SkStream* stream) {
     SkAutoTDelete<SkGifCodec> codec (static_cast<SkGifCodec*>(SkGifCodec::NewFromStream(stream)));
     if (!codec) {
         return NULL;
     }
 
     const SkImageInfo& srcInfo = codec->getInfo();
 
-    return SkNEW_ARGS(SkGifScanlineDecoder, (srcInfo, codec.detach()));
+    return new SkGifScanlineDecoder(srcInfo, codec.detach());
 }