Remove a SkImageDecoder reference from SkPicture.h

src/ports/SkImagesSupport_default.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkImagesSupport.h"
+#include "SkPicture.h"
+#include "SkImageDecoder.h"
 
 #if SK_SUPPORT_GPU && defined(SK_DEVELOPER)
 #include "GrSurface.h"
 #include "SkBitmap.h"
 #include "SkImageEncoder.h"
 #include <stdio.h>
 #endif
 
 // This file should be compiled to images library when images library is part of the Skia library.
 
+SkPicture* SkPicture::CreateFromStream(SkStream* stream) {
+    return SkPicture::CreateFromStream(stream, &SkImageDecoder::DecodeMemory);
+}
+
 #if SK_SUPPORT_GPU && defined(SK_DEVELOPER)
 bool SkSaveGrSurfacePixelsAsPNG(GrSurface* surface, const char* filename) {
     SkBitmap bm;
     if (!bm.tryAllocPixels(SkImageInfo::MakeN32Premul(surface->width(), surface->height()))) {
         return false;
     }
 
     bool result = surface->readPixels(0, 0, surface->width(), surface->height(), kSkia8888_GrPixelConfig,
                                    bm.getPixels());
     if (!result) {
         SkDebugf("------ failed to read pixels for %s\n", filename);
         return false;
     }
 
     // remove any previous version of surface file
     remove(filename);
 
     if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100)) {
         SkDebugf("------ failed to encode %s\n", filename);
         remove(filename);   // remove any partial file
         return false;
     }
 
     return true;
 }
 #endif