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/GrNinePatch.cpp b/src/gpu/batches/GrNinePatch.cpp
index 2e1809d..7ca8d68 100644
--- a/src/gpu/batches/GrNinePatch.cpp
+++ b/src/gpu/batches/GrNinePatch.cpp
@@ -25,7 +25,7 @@
 
 class GrNonAANinePatchBatch : public GrVertexBatch {
 public:
-    DEFINE_BATCH_CLASS_ID
+    DEFINE_OP_CLASS_ID
 
     static const int kVertsPerRect = 4;
     static const int kIndicesPerRect = 6;
@@ -143,7 +143,7 @@
         fOverrides = overrides;
     }
 
-    bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+    bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
         GrNonAANinePatchBatch* that = t->cast<GrNonAANinePatchBatch>();
         if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),
                                     that->bounds(), caps)) {