Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o…

src/effects/SkLumaColorFilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLumaColorFilter.h"
 
 #include "SkColorPriv.h"
@@ skipping 19 matching lines @@
          *   LumA = (k1 * r / a + k2 * g / a + k3 * b / a) * a
          *   LumA = (k1 * r + k2 * g + k3 * b)
          */
         unsigned luma = SkComputeLuminance(SkGetPackedR32(c),
                                            SkGetPackedG32(c),
                                            SkGetPackedB32(c));
         dst[i] = SkPackARGB32(luma, 0, 0, 0);
     }
 }
 
-SkColorFilter* SkLumaColorFilter::Create() { return new SkLumaColorFilter; }
+sk_sp<SkColorFilter> SkLumaColorFilter::Make() {
+    return sk_sp<SkColorFilter>(new SkLumaColorFilter);
+}
 
 SkLumaColorFilter::SkLumaColorFilter() : INHERITED() {}
 
 SkFlattenable* SkLumaColorFilter::CreateProc(SkReadBuffer&) { return new SkLumaColorFilter; }
 
 void SkLumaColorFilter::flatten(SkWriteBuffer&) const {}
 
 #ifndef SK_IGNORE_TO_STRING
 void SkLumaColorFilter::toString(SkString* str) const {
     str->append("SkLumaColorFilter ");
@@ skipping 54 matching lines @@
         inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0),
                           GrInvariantOutput::kWill_ReadInput);
     }
 };
 
 const GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) const {
 
     return LumaColorFilterEffect::Create();
 }
 #endif