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

src/effects/SkDisplacementMapEffect.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDisplacementMapEffect.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
@@ skipping 426 matching lines @@
     }
 
     SkVector scale = SkVector::Make(fScale, fScale);
     ctx.ctm().mapVectors(&scale, 1);
 
     GrPaint paint;
     SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displacement);
     offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset.fX),
                               SkIntToScalar(colorOffset.fY - displacementOffset.fY));
 
-    paint.addColorFragmentProcessor(
+    paint.addColorProcessor(
         GrDisplacementMapEffect::Create(paint.getProcessorDataManager(),
                                         fXChannelSelector,
                                         fYChannelSelector,
                                         scale,
                                         displacement,
                                         offsetMatrix,
                                         color,
                                         colorBM.dimensions()))->unref();
     SkIRect colorBounds = bounds;
     colorBounds.offset(-colorOffset);
@@ skipping 181 matching lines @@
                                        const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
     const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
 
     uint32_t xKey = displacementMap.xChannelSelector();
     uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBits;
 
     b->add32(xKey | yKey);
 }
 #endif