Pass Arenas* to GrOpsTask and GrOps instead of multiple pointers to each pool type

Change-Id: I47ac0b069334cb9702473b1bb923f585712f38ce
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/261087
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/ops/GrClearOp.h b/src/gpu/ops/GrClearOp.h
index c3b8695..5353d47 100644
--- a/src/gpu/ops/GrClearOp.h
+++ b/src/gpu/ops/GrClearOp.h
@@ -65,7 +65,8 @@
         this->setBounds(SkRect::Make(rect), HasAABloat::kNo, IsHairline::kNo);
     }
 
-    CombineResult onCombineIfPossible(GrOp* t, SkArenaAlloc*, const GrCaps& caps) override {
+    CombineResult onCombineIfPossible(GrOp* t, GrRecordingContext::Arenas*,
+                                      const GrCaps& caps) override {
         // This could be much more complicated. Currently we look at cases where the new clear
         // contains the old clear, or when the new clear is a subset of the old clear and is the
         // same color.