Call rewindIfNeeded in SkCodec

src/codec/SkCodec_libgif.h

 /*
  * 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.h"
 #include "SkColorTable.h"
 #include "SkImageInfo.h"
@@ skipping 90 matching lines @@
      * @param inputColorCount If the client requests kIndex8, sets
      *                        inputColorCount to 256.  Since gifs always
      *                        contain 8-bit indices, we need a 256 entry color
      *                        table to ensure that indexing is always in
      *                        bounds.
      */
     void initializeColorTable(const SkImageInfo& dstInfo, SkPMColor* colorPtr,
             int* inputColorCount);
 
    /*
-    * Checks for invalid inputs and calls rewindIfNeeded(), setFramDimensions(), and
+    * Checks for invalid inputs and calls setFrameDimensions(), and
     * initializeColorTable() in the proper sequence.
     */
     Result prepareToDecode(const SkImageInfo& dstInfo, SkPMColor* inputColorPtr,
             int* inputColorCount, const Options& opts);
 
     /*
      * Initializes the swizzler.
      *
      * @param dstInfo  Output image information.  Dimensions may have been
      *                 adjusted if the image frame size does not match the size
@@ skipping 46 matching lines @@
     SkAutoTDeleteArray<uint8_t>             fSrcBuffer;
     SkIRect                                 fFrameDims;
     const uint32_t                          fTransIndex;
     uint32_t                                fFillIndex;
     bool                                    fFrameIsSubset;
     SkAutoTDelete<SkSwizzler>               fSwizzler;
     SkAutoTUnref<SkColorTable>              fColorTable;
 
     typedef SkCodec INHERITED;
 };