Fix C++ test compilation

test/cpp/grpclb/grpclb_test.cc

@@ -288,7 +288,8 @@ static void start_lb_server(server_fixture *sf, int *ports, size_t nports,
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
-  op->data.send_status_from_server.status_details = "xyz";
+  grpc_slice status_details = grpc_slice_from_static_string("xyz");
+  op->data.send_status_from_server.status_details = &status_details;
   op->flags = 0;
   op->reserved = NULL;
   op++;
@@ -345,8 +346,9 @@ static void start_backend_server(server_fixture *sf) {
     }
     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()));
 
@@ -433,7 +435,9 @@ static void start_backend_server(server_fixture *sf) {
     op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
     op->data.send_status_from_server.trailing_metadata_count = 0;
     op->data.send_status_from_server.status = GRPC_STATUS_OK;
-    op->data.send_status_from_server.status_details = "Backend server out a-ok";
+    grpc_slice status_details =
+        grpc_slice_from_static_string("Backend server out a-ok");
+    op->data.send_status_from_server.status_details = &status_details;
     op->flags = 0;
     op->reserved = NULL;
     op++;
@@ -462,8 +466,7 @@ static void perform_request(client_fixture *cf) {
   grpc_metadata_array trailing_metadata_recv;
   grpc_status_code status;
   grpc_call_error error;
-  char *details = NULL;
-  size_t details_capacity = 0;
+  grpc_slice details;
   grpc_byte_buffer *request_payload;
   grpc_byte_buffer *response_payload_recv;
   int i;
@@ -472,9 +475,11 @@ static void perform_request(client_fixture *cf) {
   grpc_slice request_payload_slice =
       grpc_slice_from_copied_string("hello world");
 
+  grpc_slice host = grpc_slice_from_static_string("foo.test.google.fr:1234");
   c = grpc_channel_create_call(cf->client, NULL, GRPC_PROPAGATE_DEFAULTS,
-                               cf->cq, "/foo", "foo.test.google.fr:1234",
-                               GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL);
+                               cf->cq, grpc_slice_from_static_string("/foo"),
+                               &host, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
+                               NULL);
   gpr_log(GPR_INFO, "Call 0x%" PRIxPTR " created", (intptr_t)c);
   GPR_ASSERT(c);
   char *peer;
@@ -497,7 +502,6 @@ static void perform_request(client_fixture *cf) {
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
-  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
   op->flags = 0;
   op->reserved = NULL;
   op++;
@@ -553,7 +557,7 @@ static void perform_request(client_fixture *cf) {
 
   grpc_metadata_array_destroy(&initial_metadata_recv);
   grpc_metadata_array_destroy(&trailing_metadata_recv);
-  gpr_free(details);
+  grpc_slice_unref(details);
   gpr_log(GPR_INFO, "Client call (peer %s) DESTROYED.", peer);
   gpr_free(peer);
 }