Replace many skia::RefPtr with sk_sp<> in cc/

cc/blink/web_image_layer_impl.cc

 // 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.
 
 #include "cc/blink/web_image_layer_impl.h"
 
 #include "cc/blink/web_layer_impl.h"
 #include "cc/blink/web_layer_impl_fixed_bounds.h"
 #include "cc/layers/picture_image_layer.h"
 #include "third_party/skia/include/core/SkImage.h"
 
 namespace cc_blink {
 
 WebImageLayerImpl::WebImageLayerImpl() {
   layer_.reset(new WebLayerImplFixedBounds(cc::PictureImageLayer::Create()));
 }
 
 WebImageLayerImpl::~WebImageLayerImpl() {
 }
 
 blink::WebLayer* WebImageLayerImpl::layer() {
   return layer_.get();
 }
 
 void WebImageLayerImpl::setImage(const SkImage* image) {
-  skia::RefPtr<const SkImage> imageRef = skia::SharePtr(image);
   static_cast<cc::PictureImageLayer*>(layer_->layer())
-      ->SetImage(std::move(imageRef));
+      ->SetImage(sk_ref_sp(image));
   static_cast<WebLayerImplFixedBounds*>(layer_.get())
       ->SetFixedBounds(gfx::Size(image->width(), image->height()));
 }
 
 void WebImageLayerImpl::setNearestNeighbor(bool nearest_neighbor) {
   static_cast<cc::PictureImageLayer*>(layer_->layer())
       ->SetNearestNeighbor(nearest_neighbor);
 }
 
 }  // namespace cc_blink