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/GrAAFillRectBatch.cpp b/src/gpu/batches/GrAAFillRectBatch.cpp
index 46a5d50..c8804da 100644
--- a/src/gpu/batches/GrAAFillRectBatch.cpp
+++ b/src/gpu/batches/GrAAFillRectBatch.cpp
@@ -159,7 +159,7 @@
 }
 class AAFillRectBatch : public GrVertexBatch {
 public:
-    DEFINE_BATCH_CLASS_ID
+    DEFINE_OP_CLASS_ID
 
     AAFillRectBatch(GrColor color,
                     const SkMatrix& viewMatrix,
@@ -266,7 +266,7 @@
         helper.recordDraw(target, gp.get());
     }
 
-    bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override {
+    bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override {
         AAFillRectBatch* that = t->cast<AAFillRectBatch>();
         if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),
                                     that->bounds(), caps)) {