Revert of switch colorfilters to sk_sp

include/core/SkShader.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkShader_DEFINED
 #define SkShader_DEFINED
 
@@ skipping 341 matching lines @@
     /**
      *  Return a shader that will apply the specified localMatrix to this shader.
      *  The specified matrix will be applied before any matrix associated with this shader.
      */
     sk_sp<SkShader> makeWithLocalMatrix(const SkMatrix&) const;
 
     /**
      *  Create a new shader that produces the same colors as invoking this shader and then applying
      *  the colorfilter.
      */
-    sk_sp<SkShader> makeWithColorFilter(sk_sp<SkColorFilter>) const;
+    sk_sp<SkShader> makeWithColorFilter(SkColorFilter*) const;
 
     //////////////////////////////////////////////////////////////////////////
     //  Factory methods for stock shaders
     
     /**
      *  Call this to create a new "empty" shader, that will not draw anything.
      */
     static sk_sp<SkShader> MakeEmptyShader();
 
     /**
@@ skipping 114 matching lines @@
     SkMatrix fLocalMatrix;
 
     // So the SkLocalMatrixShader can whack fLocalMatrix in its SkReadBuffer constructor.
     friend class SkLocalMatrixShader;
     friend class SkBitmapProcShader;    // for computeTotalInverse()
 
     typedef SkFlattenable INHERITED;
 };
 
 #endif