Revert of GrFP can express distance vector field req., program builder declares variable for it

src/gpu/GrPipelineBuilder.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrPipelineBuilder.h"
 
 #include "GrBlend.h"
@@ skipping 23 matching lines @@
         fCoverageFragmentProcessors.emplace_back(SkRef(paint.getCoverageFragmentProcessor(i)));
     }
 
     fXPFactory.reset(SkSafeRef(paint.getXPFactory()));
 
     this->setState(GrPipelineBuilder::kHWAntialias_Flag, useHWAA);
     this->setState(GrPipelineBuilder::kDisableOutputConversionToSRGB_Flag,
                    paint.getDisableOutputConversionToSRGB());
     this->setState(GrPipelineBuilder::kAllowSRGBInputs_Flag,
                    paint.getAllowSRGBInputs());
-    this->setState(GrPipelineBuilder::kUsesDistanceVectorField_Flag,
-                   paint.usesDistanceVectorField());
 }
 
 //////////////////////////////////////////////////////////////////////////////s
 
 bool GrPipelineBuilder::willXPNeedDstTexture(const GrCaps& caps,
                                              const GrPipelineOptimizations& optimizations) const {
     if (this->getXPFactory()) {
         return this->getXPFactory()->willNeedDstTexture(caps, optimizations);
     }
     return GrPorterDuffXPFactory::SrcOverWillNeedDstTexture(caps, optimizations);
@@ skipping 18 matching lines @@
         fCoverageEffectCnt = pipelineBuilder->numCoverageFragmentProcessors();
         SkDEBUGCODE(++pipelineBuilder->fBlockEffectRemovalCnt;)
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrPipelineBuilder::~GrPipelineBuilder() {
     SkASSERT(0 == fBlockEffectRemovalCnt);
 }