Begin weaning GrClipMaskManager off of GrDrawTarget (take 2)

src/gpu/GrPipelineBuilder.h

Index: src/gpu/GrPipelineBuilder.h
diff --git a/src/gpu/GrPipelineBuilder.h b/src/gpu/GrPipelineBuilder.h
index f5fe9f80dc38196d583183845a0990684b88eced..f66ced30257bbf886222a661da877b24fbc67155 100644
--- a/src/gpu/GrPipelineBuilder.h
+++ b/src/gpu/GrPipelineBuilder.h
@@ -155,14 +155,6 @@ public:
     }
 
     /**
-     * Sets a GrXPFactory that will ignore src color and perform a set operation between the draws
-     * output coverage and the destination. This is useful to render coverage masks as CSG.
-     */
-    void setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage = false) {
-        fXPFactory.reset(GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage));
-    }
-
-    /**
      * Sets a GrXPFactory that disables color writes to the destination. This is useful when
      * rendering to the stencil buffer.
      */