Move GrPipelineBuilder out of gms & reduce use of GrPipelineBuilder.h

gm/rrects.cpp

Index: gm/rrects.cpp
diff --git a/gm/rrects.cpp b/gm/rrects.cpp
index e104aea4335259769f08d5f90c871f91ba9f9443..0f3ac56fec59c2f38e36467f787190459935cb09 100644
--- a/gm/rrects.cpp
+++ b/gm/rrects.cpp
@@ -101,16 +101,15 @@ protected:
                     canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
                     if (kEffect_Type == fType) {
 #if SK_SUPPORT_GPU
-                        GrPipelineBuilder pipelineBuilder;
-                        pipelineBuilder.setXPFactory(
-                            GrPorterDuffXPFactory::Make(SkXfermode::kSrc_Mode));
+                        GrPaint grPaint;
+                        grPaint.setXPFactory(GrPorterDuffXPFactory::Make(SkXfermode::kSrc_Mode));
 
                         SkRRect rrect = fRRects[curRRect];
                         rrect.offset(SkIntToScalar(x), SkIntToScalar(y));
                         GrPrimitiveEdgeType edgeType = (GrPrimitiveEdgeType) et;
                         sk_sp<GrFragmentProcessor> fp(GrRRectEffect::Make(edgeType, rrect));
                         if (fp) {
-                            pipelineBuilder.addCoverageFragmentProcessor(std::move(fp));
+                            grPaint.addCoverageFragmentProcessor(std::move(fp));
 
                             SkRect bounds = rrect.getBounds();
                             bounds.outset(2.f, 2.f);
@@ -118,8 +117,7 @@ protected:
                             SkAutoTUnref<GrDrawBatch> batch(
                                     GrRectBatchFactory::CreateNonAAFill(0xff000000, SkMatrix::I(),
                                                                         bounds, nullptr, nullptr));
-                            drawContext->drawContextPriv().testingOnly_drawBatch(pipelineBuilder,
-                                                                                 batch);
+                            drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch);
                         } else {
                             drew = false;
                         }