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

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(SkColorFilter*) const;
+    sk_sp<SkShader> makeWithColorFilter(sk_sp<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 13 matching lines @@
         return MakeBitmapShader(src, tmx, tmy, localMatrix).release();
     }
     static SkShader* CreateComposeShader(SkShader* dst, SkShader* src, SkXfermode::Mode mode);
     static SkShader* CreateComposeShader(SkShader* dst, SkShader* src, SkXfermode* xfer);
     static SkShader* CreatePictureShader(const SkPicture* src, TileMode tmx, TileMode tmy,
                                          const SkMatrix* localMatrix, const SkRect* tile);
 
     SkShader* newWithLocalMatrix(const SkMatrix& matrix) const {
         return this->makeWithLocalMatrix(matrix).release();
     }
-    SkShader* newWithColorFilter(SkColorFilter* filter) const {
-        return this->makeWithColorFilter(filter).release();
-    }
+    SkShader* newWithColorFilter(SkColorFilter* filter) const;
 #endif
 
     /**
      *  Create a new compose shader, given shaders dst, src, and a combining xfermode mode.
      *  The xfermode is called with the output of the two shaders, and its output is returned.
      *  If xfer is null, SkXfermode::kSrcOver_Mode is assumed.
      *
      *  The caller is responsible for managing its reference-count for the xfer (if not null).
      */
     static sk_sp<SkShader> MakeComposeShader(sk_sp<SkShader> dst, sk_sp<SkShader> src,
@@ skipping 78 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