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

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

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
index 159518252575da20b3257004af1ee199d3184465..924d4e4c704307ca061b710a22e06d2814025159 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
@@ -50,6 +50,7 @@
 #include "public/platform/WebImageLayer.h"
 #include "public/platform/WebLayerScrollClient.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 #include "wtf/Vector.h"
 #include <memory>
 
@@ -294,7 +295,7 @@ private:
     typedef HashMap<int, int> RenderingContextMap;
     std::unique_ptr<JSONObject> layerTreeAsJSONInternal(LayerTreeFlags, RenderingContextMap&) const;
 
-    PassRefPtr<SkPicture> capturePicture();
+    sk_sp<SkPicture> capturePicture();
     void checkPaintUnderInvalidations(const SkPicture&);
 
     GraphicsLayerClient* m_client;