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/GrAAStrokeRectBatch.cpp b/src/gpu/batches/GrAAStrokeRectBatch.cpp
index 7f87ad6..8f13adc 100644
--- a/src/gpu/batches/GrAAStrokeRectBatch.cpp
+++ b/src/gpu/batches/GrAAStrokeRectBatch.cpp
@@ -118,7 +118,7 @@
 
 class AAStrokeRectBatch : public GrVertexBatch {
 public:
-    DEFINE_BATCH_CLASS_ID
+    DEFINE_OP_CLASS_ID
 
     AAStrokeRectBatch(GrColor color, const SkMatrix& viewMatrix,
                       const SkRect& devOutside, const SkRect& devInside)
@@ -204,7 +204,7 @@
     const SkMatrix& viewMatrix() const { return fViewMatrix; }
     bool miterStroke() const { return fMiterStroke; }
 
-    bool onCombineIfPossible(GrBatch* t, const GrCaps&) override;
+    bool onCombineIfPossible(GrOp* t, const GrCaps&) override;
 
     void generateAAStrokeRectGeometry(void* vertices,
                                       size_t offset,
@@ -402,7 +402,7 @@
     }
 }
 
-bool AAStrokeRectBatch::onCombineIfPossible(GrBatch* t, const GrCaps& caps) {
+bool AAStrokeRectBatch::onCombineIfPossible(GrOp* t, const GrCaps& caps) {
     AAStrokeRectBatch* that = t->cast<AAStrokeRectBatch>();
 
     if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),