Revert of Remove GrStagedProcessor, remove the word Stage as it applies to FPs

src/gpu/GrBlurUtils.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBlurUtils.h"
 #include "GrDrawContext.h"
 #include "GrCaps.h"
@@ skipping 18 matching lines @@
                       GrRenderTarget* rt,
                       const GrClip& clip,
                       const SkMatrix& viewMatrix,
                       const SkRect& maskRect,
                       GrPaint* grp,
                       GrTexture* mask) {
     SkMatrix matrix;
     matrix.setTranslate(-maskRect.fLeft, -maskRect.fTop);
     matrix.postIDiv(mask->width(), mask->height());
 
-    grp->addCoverageFragmentProcessor(GrSimpleTextureEffect::Create(grp->getProcessorDataManager(),
+    grp->addCoverageProcessor(GrSimpleTextureEffect::Create(grp->getProcessorDataManager(),
                                                             mask, matrix,
                                                             kDevice_GrCoordSet))->unref();
 
     SkMatrix inverse;
     if (!viewMatrix.invert(&inverse)) {
         return false;
     }
     drawContext->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), maskRect, inverse);
     return true;
 }
@@ skipping 236 matching lines @@
                                                               SkPaint::kFill_Style;
         draw_with_mask_filter(drawContext, context->textureProvider(), renderTarget,
                               clip, viewMatrix, *devPathPtr,
                               paint.getMaskFilter(), clipBounds, &grPaint, style);
         return;
     }
 
     drawContext->drawPath(renderTarget, clip, grPaint, viewMatrix, *pathPtr, strokeInfo);
 }