Remove a SkImageDecoder reference from SkPicture.h

src/core/SkRecord.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRecord_DEFINED
 #define SkRecord_DEFINED
 
+#include "SkImage.h"
 #include "SkChunkAlloc.h"
 #include "SkRecords.h"
 #include "SkTLogic.h"
 #include "SkTemplates.h"
 
 // SkRecord (REC-ord) represents a sequence of SkCanvas calls, saved for future use.
 // These future uses may include: replay, optimization, serialization, or combinations of those.
 //
 // Though an enterprising user may find calling alloc(), append(), visit(), and mutate() enough to
 // work with SkRecord, you probably want to look at SkRecorder which presents an SkCanvas interface
@@ skipping 207 matching lines @@
 
     SkChunkAlloc fAlloc;
     SkAutoTMalloc<Record> fRecords;
     SkAutoTMalloc<Type8> fTypes;
     // fCount and fReserved measure both fRecords and fTypes, which always grow in lock step.
     unsigned fCount;
     unsigned fReserved;
 };
 
 #endif//SkRecord_DEFINED