Use sk_sp-based APIs for SkColorFilter

ui/gfx/skia_util.cc

 // Copyright (c) 2012 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 "ui/gfx/skia_util.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/numerics/safe_conversions.h"
@@ skipping 147 matching lines @@
 
     layer_info.fOffset.set(SkIntToScalar(shadow.x()),
                            SkIntToScalar(shadow.y()));
 
     // SkBlurMaskFilter's blur radius defines the range to extend the blur from
     // original mask, which is half of blur amount as defined in ShadowValue.
     skia::RefPtr<SkMaskFilter> blur_mask = skia::AdoptRef(
         SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
                                  RadiusToSigma(shadow.blur() / 2),
                                  SkBlurMaskFilter::kHighQuality_BlurFlag));
-    skia::RefPtr<SkColorFilter> color_filter = skia::AdoptRef(
-        SkColorFilter::CreateModeFilter(shadow.color(),
-                                        SkXfermode::kSrcIn_Mode));
 
     SkPaint* paint = looper_builder.addLayer(layer_info);
     paint->setMaskFilter(blur_mask.get());
-    paint->setColorFilter(color_filter.get());
+    paint->setColorFilter(
+        SkColorFilter::MakeModeFilter(shadow.color(),
+                                      SkXfermode::kSrcIn_Mode));
   }
 
   return skia::AdoptRef<SkDrawLooper>(looper_builder.detachLooper());
 }
 
 bool BitmapsAreEqual(const SkBitmap& bitmap1, const SkBitmap& bitmap2) {
   void* addr1 = NULL;
   void* addr2 = NULL;
   size_t size1 = 0;
   size_t size2 = 0;
@@ skipping 53 matching lines @@
   static const SkScalar kSkToHbRatio = SK_Scalar1 / kHbUnit1;
   return kSkToHbRatio * value;
 }
 
 float HarfBuzzUnitsToFloat(int value) {
   static const float kFloatToHbRatio = 1.0f / kHbUnit1;
   return kFloatToHbRatio * value;
 }
 
 }  // namespace gfx