Update C++ code
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index c9c569c..b85ad94 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()));
 
@@ -593,8 +594,7 @@
       grpc_channel_args_copy_and_add(NULL, &expected_target_arg, 1);
   gpr_free(expected_target_names);
 
-  cf->cq =
-      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
+  cf->cq = grpc_completion_queue_create_for_next(NULL);
   cf->server_uri = lb_uri;
   grpc_channel_credentials *fake_creds =
       grpc_fake_transport_security_credentials_create();
@@ -617,8 +617,7 @@
 static void setup_server(const char *host, server_fixture *sf) {
   int assigned_port;
 
-  sf->cq =
-      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
+  sf->cq = grpc_completion_queue_create_for_next(NULL);
   const char *colon_idx = strchr(host, ':');
   if (colon_idx) {
     const char *port_str = colon_idx + 1;
@@ -647,7 +646,7 @@
   gpr_log(GPR_INFO, "Server[%s] shutting down", sf->servers_hostport);
 
   grpc_completion_queue *shutdown_cq =
-      grpc_completion_queue_create(GRPC_CQ_PLUCK, GRPC_CQ_NON_POLLING, NULL);
+      grpc_completion_queue_create_for_pluck(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),
diff --git a/test/cpp/microbenchmarks/bm_call_create.cc b/test/cpp/microbenchmarks/bm_call_create.cc
index ec6073e..24d2a1b 100644
--- a/test/cpp/microbenchmarks/bm_call_create.cc
+++ b/test/cpp/microbenchmarks/bm_call_create.cc
@@ -114,8 +114,7 @@
 static void BM_CallCreateDestroy(benchmark::State &state) {
   TrackCounters track_counters;
   Fixture fixture;
-  grpc_completion_queue *cq =
-      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
+  grpc_completion_queue *cq = grpc_completion_queue_create_for_next(NULL);
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   void *method_hdl =
       grpc_channel_register_call(fixture.channel(), "/foo/bar", NULL, NULL);
diff --git a/test/cpp/microbenchmarks/bm_cq.cc b/test/cpp/microbenchmarks/bm_cq.cc
index 14eae82..eaba7d8 100644
--- a/test/cpp/microbenchmarks/bm_cq.cc
+++ b/test/cpp/microbenchmarks/bm_cq.cc
@@ -64,8 +64,7 @@
   while (state.KeepRunning()) {
     // TODO: sreek Templatize this benchmark and pass completion type and
     // polling type as parameters
-    grpc_completion_queue_destroy(grpc_completion_queue_create(
-        GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL));
+    grpc_completion_queue_destroy(grpc_completion_queue_create_for_next(NULL));
   }
   track_counters.Finish(state);
 }
@@ -102,8 +101,7 @@
 static void BM_Pass1Core(benchmark::State& state) {
   TrackCounters track_counters;
   // TODO: sreek Templatize this benchmark and pass polling_type as a param
-  grpc_completion_queue* cq =
-      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
+  grpc_completion_queue* cq = grpc_completion_queue_create_for_next(NULL);
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_cq_completion completion;
@@ -122,8 +120,7 @@
 static void BM_Pluck1Core(benchmark::State& state) {
   TrackCounters track_counters;
   // TODO: sreek Templatize this benchmark and pass polling_type as a param
-  grpc_completion_queue* cq = grpc_completion_queue_create(
-      GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING, NULL);
+  grpc_completion_queue* cq = grpc_completion_queue_create_for_pluck(NULL);
   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_cq_completion completion;
@@ -142,8 +139,7 @@
 static void BM_EmptyCore(benchmark::State& state) {
   TrackCounters track_counters;
   // TODO: sreek Templatize this benchmark and pass polling_type as a param
-  grpc_completion_queue* cq =
-      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
+  grpc_completion_queue* cq = grpc_completion_queue_create_for_next(NULL);
   gpr_timespec deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
   while (state.KeepRunning()) {
     grpc_completion_queue_next(cq, deadline, NULL);