Gradient shaders: make fPtsToUnit const, pre-cache getType().

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 21 matching lines @@
               bool flipped);
 
     static bool DontDrawT(SkFixed t) {
         return kDontDrawT == (uint32_t)t;
     }
 };
 
 
 class SkTwoPointConicalGradient : public SkGradientShaderBase {
     TwoPtRadial fRec;
-    void init();
-
 public:
     SkTwoPointConicalGradient(const SkPoint& start, SkScalar startRadius,
                               const SkPoint& end, SkScalar endRadius,
                               bool flippedGrad, const Descriptor&);
 
 
     virtual size_t contextSize() const SK_OVERRIDE;
 
     class TwoPointConicalGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
     public:
@@ skipping 35 matching lines @@
     SkPoint fCenter2;
     SkScalar fRadius1;
     SkScalar fRadius2;
     bool fFlippedGrad;
 
     friend class SkGradientShader;
     typedef SkGradientShaderBase INHERITED;
 };
 
 #endif