Revert of Delete SkImageDecoder

include/core/SkPicture.h

 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPicture_DEFINED
 #define SkPicture_DEFINED
 
+#include "SkImageDecoder.h"
 #include "SkRefCnt.h"
 #include "SkTypes.h"
 
 class GrContext;
 class SkBigPicture;
 class SkBitmap;
 class SkCanvas;
-class SkPath;
 class SkPictureData;
 class SkPixelSerializer;
-class SkReadBuffer;
 class SkRefCntSet;
 class SkStream;
 class SkTypefacePlayback;
 class SkWStream;
-class SkWriteBuffer;
 struct SkPictInfo;
-struct SkRect;
 
 #define SK_SUPPORT_LEGACY_PICTURE_PTR
 
 /** \class SkPicture
 
     An SkPicture records drawing commands made to a canvas to be played back at a later time.
     This base class handles serialization and a few other miscellany.
 */
 class SK_API SkPicture : public SkRefCnt {
 public:
@@ skipping 186 matching lines @@
     static bool IsValidPictInfo(const SkPictInfo& info);
     static sk_sp<SkPicture> Forwardport(const SkPictInfo&, const SkPictureData*);
 
     SkPictInfo createHeader() const;
     SkPictureData* backport() const;
 
     mutable uint32_t fUniqueID;
 };
 
 #endif