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

cc/trees/layer_tree_host_impl_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/layer_tree_host_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 7735 matching lines @@
   CreateHostImpl(DefaultSettings(), FakeOutputSurface::Create3d());
 
   EXPECT_EQ(0u, context3d->NumTextures());
 
   gfx::Size size(4, 4);
   // SkImageInfo has no support for ETC1.  The |info| below contains the right
   // total pixel size for the bitmap but not the right height and width.  The
   // correct width/height are passed directly to UIResourceBitmap.
   SkImageInfo info =
       SkImageInfo::Make(4, 2, kAlpha_8_SkColorType, kPremul_SkAlphaType);
-  skia::RefPtr<SkPixelRef> pixel_ref =
-      skia::AdoptRef(SkMallocPixelRef::NewAllocate(info, 0, 0));
+  sk_sp<SkPixelRef> pixel_ref(SkMallocPixelRef::NewAllocate(info, 0, 0));
   pixel_ref->setImmutable();
   UIResourceBitmap bitmap(pixel_ref, size);
   UIResourceId ui_resource_id = 1;
   host_impl_->CreateUIResource(ui_resource_id, bitmap);
   EXPECT_EQ(1u, context3d->NumTextures());
   ResourceId id1 = host_impl_->ResourceIdForUIResource(ui_resource_id);
   EXPECT_NE(0u, id1);
 }
 
 void ShutdownReleasesContext_Callback(
@@ skipping 2904 matching lines @@
     // There should not be any jitter measured till we hit the fixed point hits
     // threshold.
     float expected_jitter =
         (i == pending_tree->kFixedPointHitsThreshold) ? 500 : 0;
     EXPECT_EQ(jitter, expected_jitter);
   }
 }
 
 }  // namespace
 }  // namespace cc