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

src/effects/SkLightingImageFilter.cpp

Index: src/effects/SkLightingImageFilter.cpp
diff --git a/src/effects/SkLightingImageFilter.cpp b/src/effects/SkLightingImageFilter.cpp
index 6dbe73429cea96c13ee27435031271a651ae52a9..c63b2ebe50b81a7eb67f606713e57c3621b2e015 100644
--- a/src/effects/SkLightingImageFilter.cpp
+++ b/src/effects/SkLightingImageFilter.cpp
@@ -354,7 +354,7 @@
     GrPaint paint;
     GrFragmentProcessor* fp = this->getFragmentProcessor(paint.getProcessorDataManager(), src,
                                                          matrix, bounds, boundaryMode);
-    paint.addColorFragmentProcessor(fp)->unref();
+    paint.addColorProcessor(fp)->unref();
     drawContext->drawNonAARectToRect(dst->asRenderTarget(), clip, paint, SkMatrix::I(),
                                      dstRect, srcRect);
 }