Refactor GrGpu path rendering functions to GrPathRendering

src/gpu/GrSWMaskHelper.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrSWMaskHelper.h"
 
 #include "GrPipelineBuilder.h"
 #include "GrCaps.h"
+#include "GrDrawTarget.h"
 #include "GrGpu.h"
 
 #include "SkData.h"
 #include "SkDistanceFieldGen.h"
 #include "SkStrokeRec.h"
 
 // TODO: try to remove this #include
 #include "GrContext.h"
 
 namespace {
@@ skipping 349 matching lines @@
     maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop));
 
     pipelineBuilder->addCoverageProcessor(
                          GrSimpleTextureEffect::Create(texture,
                                                        maskMatrix,
                                                        GrTextureParams::kNone_FilterMode,
                                                        kDevice_GrCoordSet))->unref();
 
     target->drawBWRect(pipelineBuilder, color, SkMatrix::I(), dstRect, NULL, &invert);
 }