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

cc/trees/damage_tracker_unittest.cc

 // Copyright 2011 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/trees/damage_tracker.h"
 
 #include <stddef.h>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 545 matching lines @@
 }
 
 TEST_F(DamageTrackerTest, VerifyDamageForImageFilter) {
   LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
   LayerImpl* child = root->children()[0];
   gfx::Rect root_damage_rect, child_damage_rect;
 
   // Allow us to set damage on child too.
   child->SetDrawsContent(true);
 
-  skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(
-      SkBlurImageFilter::Create(SkIntToScalar(2), SkIntToScalar(2)));
+  sk_sp<SkImageFilter> filter(SkBlurImageFilter::Make(2, 2, nullptr));
   FilterOperations filters;
   filters.Append(FilterOperation::CreateReferenceFilter(filter));
   int outset_top, outset_right, outset_bottom, outset_left;
   filters.GetOutsets(&outset_top, &outset_right, &outset_bottom, &outset_left);
 
   // Setting the filter will damage the whole surface.
   ClearDamageForAllSurfaces(root);
   child->SetForceRenderSurface(true);
   child->SetFilters(filters);
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
@@ skipping 976 matching lines @@
     gfx::Rect root_damage_rect =
         root->render_surface()->damage_tracker()->current_damage_rect();
     gfx::Rect damage_we_care_about = gfx::Rect(i, i);
     EXPECT_LE(damage_we_care_about.right(), root_damage_rect.right());
     EXPECT_LE(damage_we_care_about.bottom(), root_damage_rect.bottom());
   }
 }
 
 }  // namespace
 }  // namespace cc