Initial CL to create dummy GrShaderDataManager and thread it through

src/effects/gradients/SkTwoPointConicalGradient.h

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTwoPointConicalGradient_DEFINED
 #define SkTwoPointConicalGradient_DEFINED
@@ skipping 45 matching lines @@
 
     private:
         typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
     };
 
     virtual BitmapType asABitmap(SkBitmap* bitmap,
                                  SkMatrix* matrix,
                                  TileMode* xy) const override;
     SkShader::GradientType asAGradient(GradientInfo* info) const  override;
     virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&, const SkMatrix*,
-                                     GrColor*, GrFragmentProcessor**) const override;
+                                     GrColor*, GrShaderDataManager*,
+                                     GrFragmentProcessor**) const override;
     bool isOpaque() const override;
 
     SkScalar getCenterX1() const { return SkPoint::Distance(fCenter1, fCenter2); }
     SkScalar getStartRadius() const { return fRadius1; }
     SkScalar getDiffRadius() const { return fRadius2 - fRadius1; }
     const SkPoint& getStartCenter() const { return fCenter1; }
     const SkPoint& getEndCenter() const { return fCenter2; }
     SkScalar getEndRadius() const { return fRadius2; }
     bool isFlippedGrad() const { return fFlippedGrad; }
 
@@ skipping 10 matching lines @@
     SkPoint fCenter2;
     SkScalar fRadius1;
     SkScalar fRadius2;
     bool fFlippedGrad;
 
     friend class SkGradientShader;
     typedef SkGradientShaderBase INHERITED;
 };
 
 #endif