Remove GrRenderTarget from GrPipelineBuilder

gm/yuvtorgbeffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
@@ skipping 104 matching lines @@
                     GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
                 SkAutoTUnref<const GrFragmentProcessor> fp(
                             GrYUVEffect::CreateYUVToRGB(texture[indices[i][0]],
                                                         texture[indices[i][1]],
                                                         texture[indices[i][2]],
                                                         sizes,
                                                         static_cast<SkYUVColorSpace>(space)));
                 if (fp) {
                     SkMatrix viewMatrix;
                     viewMatrix.setTranslate(x, y);
-                    pipelineBuilder.setRenderTarget(drawContext->accessRenderTarget());
                     pipelineBuilder.addColorFragmentProcessor(fp);
                     SkAutoTUnref<GrDrawBatch> batch(
                             GrRectBatchFactory::CreateNonAAFill(GrColor_WHITE, viewMatrix,
                                                                 renderRect, nullptr, nullptr));
                     drawContext->drawContextPriv().testingOnly_drawBatch(pipelineBuilder, batch);
                 }
                 x += renderRect.width() + kTestPad;
             }
         }
      }
 
 private:
     SkBitmap fBmp[3];
 
     typedef GM INHERITED;
 };
 
 DEF_GM(return new YUVtoRGBEffect;)
 }
 
 #endif