SkPDF: SkPDFStream takes only SkStreamAsset

src/pdf/SkPDFFormXObject.cpp

 /*
  * Copyright 2010 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.
  */
 
 
 #include "SkPDFFormXObject.h"
 
@@ skipping 25 matching lines @@
             SkASSERT(false);
             inverse.reset();
         }
         this->insertObject("Matrix", SkPDFUtils::MatrixToArray(inverse));
     }
 }
 
 /**
  * Creates a FormXObject from a content stream and associated resources.
  */
-SkPDFFormXObject::SkPDFFormXObject(SkStream* content, SkRect bbox,
+SkPDFFormXObject::SkPDFFormXObject(SkStreamAsset* content, SkRect bbox,
                                    SkPDFDict* resourceDict) {
     setData(content);
 
     sk_sp<SkPDFArray> bboxArray(SkPDFUtils::RectToArray(bbox));
     this->init("DeviceRGB", resourceDict, bboxArray.get());
 }
 
 /**
  * Common initialization code.
  * Note that bbox is unreferenced here, so calling code does not need worry.
@@ skipping 11 matching lines @@
     group->insertName("S", "Transparency");
 
     if (colorSpace != nullptr) {
         group->insertName("CS", colorSpace);
     }
     group->insertBool("I", true);  // Isolated.
     this->insertObject("Group", std::move(group));
 }
 
 SkPDFFormXObject::~SkPDFFormXObject() {}