Retire SkShader::kSupports4f_Flag

src/effects/gradients/Sk4fGradientBase.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Sk4fGradientBase.h"
 
 namespace {
@@ skipping 45 matching lines @@
 
 bool SkGradientShaderBase::GradientShaderBase4fContext::
 Interval::contains(SkScalar fx) const {
     return in_range(fx, fP0, fP1);
 }
 
 SkGradientShaderBase::
 GradientShaderBase4fContext::GradientShaderBase4fContext(const SkGradientShaderBase& shader,
                                                          const ContextRec& rec)
     : INHERITED(shader, rec)
-    , fFlags(this->INHERITED::getFlags() | kSupports4f_Flag)
+    , fFlags(this->INHERITED::getFlags())
 #ifdef SK_SUPPORT_LEGACY_GRADIENT_DITHERING
     , fDither(true)
 #else
     , fDither(rec.fPaint->isDither())
 #endif
 {
     // The main job here is to build an interval list.  Intervals are a different
     // representation of the color stops data, optimized for efficient scan line
     // access during shading.
     //
@@ skipping 180 matching lines @@
             } else {
                 SkASSERT(in_range(fx, i->fP1, i1->fP1));
                 i0 = i + 1;
             }
         }
 
         SkASSERT(in_range(fx, i0->fP0, i0->fP1));
         return i0;
     }
 }