C++ code changes in response to grpc_completion_queue_create() API change
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index 89ed924..542f396 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -354,8 +354,9 @@
     }
     GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
     const string expected_token =
-        strlen(sf->lb_token_prefix) == 0 ? "" : sf->lb_token_prefix +
-                                                    std::to_string(sf->port);
+        strlen(sf->lb_token_prefix) == 0
+            ? ""
+            : sf->lb_token_prefix + std::to_string(sf->port);
     GPR_ASSERT(contains_metadata(&request_metadata_recv, "lb-token",
                                  expected_token.c_str()));
 
@@ -593,7 +594,7 @@
       grpc_channel_args_copy_and_add(NULL, &expected_target_arg, 1);
   gpr_free(expected_target_names);
 
-  cf->cq = grpc_completion_queue_create(NULL);
+  cf->cq = grpc_completion_queue_create(GRPC_CQ_NEXT, DEFAULT_POLLING, NULL);
   cf->server_uri = lb_uri;
   grpc_channel_credentials *fake_creds =
       grpc_fake_transport_security_credentials_create();
@@ -616,7 +617,7 @@
 static void setup_server(const char *host, server_fixture *sf) {
   int assigned_port;
 
-  sf->cq = grpc_completion_queue_create(NULL);
+  sf->cq = grpc_completion_queue_create(GRPC_CQ_NEXT, DEFAULT_POLLING, NULL);
   const char *colon_idx = strchr(host, ':');
   if (colon_idx) {
     const char *port_str = colon_idx + 1;
@@ -643,10 +644,15 @@
   if (!sf->server) return;
 
   gpr_log(GPR_INFO, "Server[%s] shutting down", sf->servers_hostport);
-  grpc_server_shutdown_and_notify(sf->server, sf->cq, tag(1000));
-  GPR_ASSERT(grpc_completion_queue_pluck(
-                 sf->cq, tag(1000), grpc_timeout_seconds_to_deadline(5), NULL)
+
+  grpc_completion_queue *shutdown_cq =
+      grpc_completion_queue_create(GRPC_CQ_PLUCK, NON_POLLING, NULL);
+  grpc_server_shutdown_and_notify(sf->server, shutdown_cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(shutdown_cq, tag(1000),
+                                         grpc_timeout_seconds_to_deadline(5),
+                                         NULL)
                  .type == GRPC_OP_COMPLETE);
+  grpc_completion_queue_destroy(shutdown_cq);
   grpc_server_destroy(sf->server);
   gpr_thd_join(sf->tid);
 
diff --git a/test/cpp/microbenchmarks/bm_call_create.cc b/test/cpp/microbenchmarks/bm_call_create.cc
index 76d5030..ecfa20a 100644
--- a/test/cpp/microbenchmarks/bm_call_create.cc
+++ b/test/cpp/microbenchmarks/bm_call_create.cc
@@ -65,7 +65,8 @@
 static void BM_InsecureChannelWithDefaults(benchmark::State &state) {
   grpc_channel *channel =
       grpc_insecure_channel_create("localhost:12345", NULL, NULL);
-  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_completion_queue *cq =
+      grpc_completion_queue_create(GRPC_CQ_PLUCK, DEFAULT_POLLING, NULL);
   grpc_slice method = grpc_slice_from_static_string("/foo/bar");
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
diff --git a/test/cpp/microbenchmarks/bm_cq.cc b/test/cpp/microbenchmarks/bm_cq.cc
index c017474..c7bd874 100644
--- a/test/cpp/microbenchmarks/bm_cq.cc
+++ b/test/cpp/microbenchmarks/bm_cq.cc
@@ -66,7 +66,10 @@
 
 static void BM_CreateDestroyCore(benchmark::State& state) {
   while (state.KeepRunning()) {
-    grpc_completion_queue_destroy(grpc_completion_queue_create(NULL));
+    // TODO: sreek Make this a templatized benchmark and pass completion type
+    // and polling type as parameters
+    grpc_completion_queue_destroy(
+        grpc_completion_queue_create(GRPC_CQ_NEXT, DEFAULT_POLLING, NULL));
   }
 }
 BENCHMARK(BM_CreateDestroyCore);
@@ -98,7 +101,10 @@
 BENCHMARK(BM_Pass1Cpp);
 
 static void BM_Pass1Core(benchmark::State& state) {
-  grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
+  // TODO: sreek Make this templatized benchmark and pass polling_type as a
+  // param
+  grpc_completion_queue* cq =
+      grpc_completion_queue_create(GRPC_CQ_NEXT, DEFAULT_POLLING, NULL);
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_cq_completion completion;
@@ -114,7 +120,10 @@
 BENCHMARK(BM_Pass1Core);
 
 static void BM_Pluck1Core(benchmark::State& state) {
-  grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
+  // TODO: sreek Make this templatized benchmark and pass polling_type as a
+  // param
+  grpc_completion_queue* cq =
+      grpc_completion_queue_create(GRPC_CQ_PLUCK, DEFAULT_POLLING, NULL);
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_cq_completion completion;
@@ -130,7 +139,10 @@
 BENCHMARK(BM_Pluck1Core);
 
 static void BM_EmptyCore(benchmark::State& state) {
-  grpc_completion_queue* cq = grpc_completion_queue_create(NULL);
+  // TODO: sreek Make this a templatized benchmark and pass polling_type as a
+  // param
+  grpc_completion_queue* cq =
+      grpc_completion_queue_create(GRPC_CQ_NEXT, DEFAULT_POLLING, NULL);
   gpr_timespec deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_completion_queue_next(cq, deadline, NULL);