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

src/gpu/GrClipMaskManager.cpp

Index: src/gpu/GrClipMaskManager.cpp
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index c9362fa20880b3bb6b6ef2130fa122084e6d8e40..b58faaad6351a4a44e5e2ba152e0c3440923d433 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -46,7 +46,7 @@
 
     SkIRect domainTexels = SkIRect::MakeWH(devBound.width(), devBound.height());
     // This could be a long-lived effect that is cached with the alpha-mask.
-    arfps->addCoverageFragmentProcessor(
+    arfps->addCoverageProcessor(
         GrTextureDomainEffect::Create(arfps->getProcessorDataManager(),
                                       result,
                                       mat,
@@ -200,7 +200,7 @@
                     break;
             }
             if (fp) {
-                arfps->addCoverageFragmentProcessor(fp);
+                arfps->addCoverageProcessor(fp);
             } else {
                 failed = true;
                 break;
@@ -488,7 +488,7 @@
     SkMatrix sampleM;
     sampleM.setIDiv(srcMask->width(), srcMask->height());
 
-    pipelineBuilder->addCoverageFragmentProcessor(
+    pipelineBuilder->addCoverageProcessor(
         GrTextureDomainEffect::Create(pipelineBuilder->getProcessorDataManager(),
                                       srcMask,
                                       sampleM,