Start to propagate constness of GrPipelineBuilder up the stack

src/gpu/GrAADistanceFieldPathRenderer.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.
  */
 
 #include "GrAADistanceFieldPathRenderer.h"
 
@@ skipping 565 matching lines @@
             return false;
         }
     }
 
     AADistanceFieldPathBatch::Geometry geometry(stroke);
     geometry.fPath = path;
     geometry.fAntiAlias = antiAlias;
 
     SkAutoTUnref<GrBatch> batch(AADistanceFieldPathBatch::Create(geometry, color, viewMatrix,
                                                                  fAtlas, &fPathCache, &fPathList));
-    target->drawBatch(pipelineBuilder, batch);
+    target->drawBatch(*pipelineBuilder, batch);
 
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #ifdef GR_TEST_UTILS
 
 struct PathTestStruct {
     typedef GrAADistanceFieldPathRenderer::PathCache PathCache;
@@ skipping 54 matching lines @@
     geometry.fPath = GrTest::TestPath(random);
     geometry.fAntiAlias = random->nextBool();
 
     return AADistanceFieldPathBatch::Create(geometry, color, viewMatrix,
                                             gTestStruct.fAtlas,
                                             &gTestStruct.fPathCache,
                                             &gTestStruct.fPathList);
 }
 
 #endif