Move op memory storage to GrContext (take 2)

TBR=bsalomon@google.com

Change-Id: I4a448694d4114d83cd3a720cfc8bd37de51733d1
Reviewed-on: https://skia-review.googlesource.com/135707
Reviewed-by: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tests/ProcessorTest.cpp b/tests/ProcessorTest.cpp
index 3916436..e52070b 100644
--- a/tests/ProcessorTest.cpp
+++ b/tests/ProcessorTest.cpp
@@ -29,7 +29,9 @@
     DEFINE_OP_CLASS_ID
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           std::unique_ptr<GrFragmentProcessor> fp) {
-        return std::unique_ptr<GrDrawOp>(new TestOp(std::move(fp)));
+        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
+
+        return pool->allocate<TestOp>(std::move(fp));
     }
 
     const char* name() const override { return "TestOp"; }