Rename GrBatch to GrOp

Change-Id: I27b6324f8040899fafeda23ca524bc54a4dbf090
Reviewed-on: https://skia-review.googlesource.com/5392
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/batches/GrMSAAPathRenderer.cpp b/src/gpu/batches/GrMSAAPathRenderer.cpp
index ab98a15..77d4e6b 100644
--- a/src/gpu/batches/GrMSAAPathRenderer.cpp
+++ b/src/gpu/batches/GrMSAAPathRenderer.cpp
@@ -216,7 +216,7 @@
 
 class MSAAPathBatch : public GrVertexBatch {
 public:
-    DEFINE_BATCH_CLASS_ID
+    DEFINE_OP_CLASS_ID
 
     MSAAPathBatch(GrColor color, const SkPath& path, const SkMatrix& viewMatrix,
                   const SkRect& devBounds)
@@ -447,7 +447,7 @@
         }
     }
 
-    bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+    bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
         MSAAPathBatch* that = t->cast<MSAAPathBatch>();
         if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),
                                      that->bounds(), caps)) {