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

cc/playback/filter_display_item.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/playback/filter_display_item.h"
 
 #include <stddef.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event_argument.h"
@@ skipping 45 matching lines @@
 
   // TODO(dtrainor): Support serializing FilterOperations (crbug.com/541321).
 }
 
 void FilterDisplayItem::Raster(SkCanvas* canvas,
                                const gfx::Rect& canvas_target_playback_rect,
                                SkPicture::AbortCallback* callback) const {
   canvas->save();
   canvas->translate(bounds_.x(), bounds_.y());
 
-  skia::RefPtr<SkImageFilter> image_filter =
-      RenderSurfaceFilters::BuildImageFilter(
-          filters_, gfx::SizeF(bounds_.width(), bounds_.height()));
+  sk_sp<SkImageFilter> image_filter = RenderSurfaceFilters::BuildImageFilter(
+      filters_, gfx::SizeF(bounds_.width(), bounds_.height()));
   SkRect boundaries = SkRect::MakeWH(bounds_.width(), bounds_.height());
 
   SkPaint paint;
   paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
-  paint.setImageFilter(image_filter.get());
+  paint.setImageFilter(std::move(image_filter));
   canvas->saveLayer(&boundaries, &paint);
 
   canvas->translate(-bounds_.x(), -bounds_.y());
 }
 
 void FilterDisplayItem::AsValueInto(
     const gfx::Rect& visual_rect,
     base::trace_event::TracedValue* array) const {
   array->AppendString(base::StringPrintf(
       "FilterDisplayItem bounds: [%s] visualRect: [%s]",
@@ skipping 33 matching lines @@
   array->AppendString(
       base::StringPrintf("EndFilterDisplayItem  visualRect: [%s]",
                          visual_rect.ToString().c_str()));
 }
 
 size_t EndFilterDisplayItem::ExternalMemoryUsage() const {
   return 0;
 }
 
 }  // namespace cc