Replace targetHasUnifiedMultisampling in GrPB constructor

src/gpu/batches/GrDashLinePathRenderer.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 "GrDashLinePathRenderer.h"
 
 #include "GrGpu.h"
@@ skipping 26 matching lines @@
     SkAssertResult(args.fPath->isLine(pts));
     SkAutoTUnref<GrDrawBatch> batch(GrDashingEffect::CreateDashLineBatch(args.fColor,
                                                                          *args.fViewMatrix,
                                                                          pts,
                                                                          aaMode,
                                                                          *args.fStyle));
     if (!batch) {
         return false;
     }
 
-    GrPipelineBuilder pipelineBuilder(*args.fPaint, args.fDrawContext->isUnifiedMultisampled());
-    pipelineBuilder.setState(GrPipelineBuilder::kHWAntialias_Flag, useHWAA);
+    GrPipelineBuilder pipelineBuilder(*args.fPaint, useHWAA);
     pipelineBuilder.setUserStencil(args.fUserStencilSettings);
 
     args.fDrawContext->drawBatch(pipelineBuilder, *args.fClip, batch);
     return true;
 }