Add support for blending of LCD for all blend modes.

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 104 matching lines @@
 
 void GrPipelineBuilder::calcColorInvariantOutput(const GrDrawBatch* batch) const {
     fColorProcInfo.calcColorWithBatch(batch, fColorFragmentProcessors.begin(),
                                       this->numColorFragmentProcessors());
 }
 
 void GrPipelineBuilder::calcCoverageInvariantOutput(const GrDrawBatch* batch) const {
     fCoverageProcInfo.calcCoverageWithBatch(batch, fCoverageFragmentProcessors.begin(),
                                             this->numCoverageFragmentProcessors());
 }
+