Change (Pass)RefPtr<SkXxx> into sk_sp<SkXxx>.

third_party/WebKit/Source/platform/graphics/PicturePattern.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PicturePattern_h
 #define PicturePattern_h
 
 #include "platform/graphics/Pattern.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT PicturePattern final : public Pattern {
 public:
-    static PassRefPtr<PicturePattern> create(PassRefPtr<SkPicture>, RepeatMode);
+    static PassRefPtr<PicturePattern> create(sk_sp<SkPicture>, RepeatMode);
 
     ~PicturePattern() override;
 
 protected:
     sk_sp<SkShader> createShader(const SkMatrix&) override;
 
 private:
-    PicturePattern(PassRefPtr<SkPicture>, RepeatMode);
+    PicturePattern(sk_sp<SkPicture>, RepeatMode);
 
     sk_sp<SkPicture> m_tilePicture;
 };
 
 } // namespace blink
 
 #endif