Simplify adding attributes to GrGeometryProcessor

src/gpu/batches/GrMSAAPathRenderer.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrMSAAPathRenderer.h"
 
 #include "GrAuditTrail.h"
@@ skipping 177 matching lines @@
     }
 
     virtual GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override {
         return new GLSLProcessor(*this);
     }
 
 private:
     MSAAQuadProcessor(const SkMatrix& viewMatrix)
         : fViewMatrix(viewMatrix) {
         this->initClassID<MSAAQuadProcessor>();
-        fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType,
-                                                       kHigh_GrSLPrecision));
-        fInUV = &this->addVertexAttrib(Attribute("inUV", kVec2f_GrVertexAttribType,
-                                                 kHigh_GrSLPrecision));
-        fInColor = &this->addVertexAttrib(Attribute("inColor", kVec4ub_GrVertexAttribType));
+        fInPosition = &this->addVertexAttrib("inPosition", kVec2f_GrVertexAttribType,
+                                             kHigh_GrSLPrecision);
+        fInUV = &this->addVertexAttrib("inUV", kVec2f_GrVertexAttribType, kHigh_GrSLPrecision);
+        fInColor = &this->addVertexAttrib("inColor", kVec4ub_GrVertexAttribType);
         this->setSampleShading(1.0f);
     }
 
     const Attribute* fInPosition;
     const Attribute* fInUV;
     const Attribute* fInColor;
     SkMatrix         fViewMatrix;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
@@ skipping 493 matching lines @@
 
     GrPaint paint;
     paint.setXPFactory(GrDisableColorXPFactory::Make());
     paint.setAntiAlias(args.fIsAA);
 
     this->internalDrawPath(args.fDrawContext, paint, GrUserStencilSettings::kUnused, *args.fClip,
                            *args.fViewMatrix, *args.fShape, true);
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////