Remove SK_SUPPORT_LEGACY_GRADIENT_PRECISION

src/effects/gradients/SkClampRange.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkClampRange_DEFINED
 #define SkClampRange_DEFINED
 
 #include "SkFixed.h"
 #include "SkScalar.h"
 
-#ifdef SK_SUPPORT_LEGACY_GRADIENT_PRECISION
-    #define SkGradFixed             SkFixed
-    #define SkScalarToGradFixed     SkScalarToFixed
-    #define SkFixedToGradFixed(x)   (x)
-    #define SkGradFixedToFixed(x)   (x)
-    #define kFracMax_SkGradFixed    0xFFFF
-#else
-    #define SkGradFixed             SkFixed3232
-    #define SkScalarToGradFixed     SkScalarToFixed3232
-    #define SkFixedToGradFixed      SkFixedToFixed3232
-    #define SkGradFixedToFixed(x)   (SkFixed)((x) >> 16)
-    #define kFracMax_SkGradFixed    0xFFFFFFFFLL
-#endif
+#define SkGradFixed             SkFixed3232
+#define SkScalarToGradFixed     SkScalarToFixed3232
+#define SkFixedToGradFixed      SkFixedToFixed3232
+#define SkGradFixedToFixed(x)   (SkFixed)((x) >> 16)
+#define kFracMax_SkGradFixed    0xFFFFFFFFLL
 
 /**
  *  Iteration fixed fx by dx, clamping as you go to [0..kFracMax_SkGradFixed], this class
  *  computes the (up to) 3 spans there are:
  *
  *  range0: use constant value V0
  *  range1: iterate as usual fx += dx
  *  range2: use constant value V1
  */
 struct SkClampRange {
     int fCount0;    // count for fV0
     int fCount1;    // count for interpolating (fV0...fV1)
     int fCount2;    // count for fV1
     SkGradFixed fFx1;   // initial fx value for the fCount1 range.
                     // only valid if fCount1 > 0
     int fV0, fV1;
 
     void init(SkGradFixed fx, SkGradFixed dx, int count, int v0, int v1);
 
 private:
     void initFor1(SkGradFixed fx);
 };
 
 #endif