Move willColorBlendWithDst from pipeline builder to GrPipelineOptimizations.

src/gpu/GrPipelineBuilder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrPipelineBuilder_DEFINED
 #define GrPipelineBuilder_DEFINED
 
@@ skipping 143 matching lines @@
         uint32_t              fSaveMarker;
     };
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Blending
     ////
 
     /**
-     * Returns true if this pipeline's color output will be affected by the existing render target
-     * destination pixel values (meaning we need to be careful with overlapping draws). Note that we
-     * can conflate coverage and color, so the destination color may still bleed into pixels that
-     * have partial coverage, even if this function returns false.
-     */
-    bool willColorBlendWithDst(const GrPrimitiveProcessor*) const;
-
-    /**
      * Installs a GrXPFactory. This object controls how src color, fractional pixel coverage,
      * and the dst color are blended.
      */
     const GrXPFactory* setXPFactory(const GrXPFactory* xpFactory) {
         fXPFactory.reset(SkRef(xpFactory));
         return xpFactory;
     }
 
     /**
      * Sets a GrXPFactory that will ignore src color and perform a set operation between the draws
@@ skipping 241 matching lines @@
 
     GrProcessorDataManager* getProcessorDataManager() { return fProcDataManager.get(); }
     const GrProcessorDataManager* processorDataManager() const { return fProcDataManager.get(); }
 
 private:
     // Calculating invariant color / coverage information is expensive, so we partially cache the
     // results.
     //
     // canUseFracCoveragePrimProc() - Called in regular skia draw, caches results but only for a
     //                                specific color and coverage.  May be called multiple times
-    // willColorBlendWithDst() - only called by Nvpr, does not cache results
     // GrOptDrawState constructor - never caches results
 
     /**
      * Primproc variants of the calc functions
      * TODO remove these when batch is everywhere
      */
     void calcColorInvariantOutput(const GrPrimitiveProcessor*) const;
     void calcCoverageInvariantOutput(const GrPrimitiveProcessor*) const;
 
     /**
@@ skipping 34 matching lines @@
     mutable GrProcOptInfo fCoverageProcInfo;
     mutable bool fColorProcInfoValid;
     mutable bool fCoverageProcInfoValid;
     mutable GrColor fColorCache;
     mutable GrColor fCoverageCache;
 
     friend class GrPipeline;
 };
 
 #endif