Fix test compile

test/core/channel/channel_tracer_test.cc

@@ -57,10 +57,8 @@ static void validate_children(grpc_channel_tracer* tracer,
   gpr_free(json_str);
 }
 
-static intptr_t uuid = 0;
-
 static void test_basic_channel_tracing(size_t max_nodes) {
-  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(max_nodes, uuid++);
+  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(max_nodes);
   grpc_core::ExecCtx exec_ctx;
   add_simple_trace(tracer);
   add_simple_trace(tracer);
@@ -94,11 +92,11 @@ static void test_basic_channel_sizing() {
 }
 
 static void test_complex_channel_tracing(size_t max_nodes) {
-  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(max_nodes, uuid++);
+  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(max_nodes);
   grpc_core::ExecCtx exec_ctx;
   add_simple_trace(tracer);
   add_simple_trace(tracer);
-  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(max_nodes, uuid++);
+  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(max_nodes);
   grpc_channel_tracer_add_trace(
       tracer, grpc_slice_from_static_string("subchannel one created"),
       GRPC_ERROR_NONE, GRPC_CHANNEL_IDLE, sc1);
@@ -114,7 +112,7 @@ static void test_complex_channel_tracing(size_t max_nodes) {
   add_simple_trace(tracer);
   add_simple_trace(tracer);
   validate_tracer(tracer, 5, max_nodes);
-  grpc_channel_tracer* sc2 = GRPC_CHANNEL_TRACER_CREATE(max_nodes, uuid++);
+  grpc_channel_tracer* sc2 = GRPC_CHANNEL_TRACER_CREATE(max_nodes);
   grpc_channel_tracer_add_trace(
       tracer, grpc_slice_from_static_string("subchannel two created"),
       GRPC_ERROR_NONE, GRPC_CHANNEL_IDLE, sc2);
@@ -143,11 +141,11 @@ static void test_complex_channel_sizing() {
 }
 
 static void test_delete_parent_first() {
-  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(3, uuid++);
+  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(3);
   grpc_core::ExecCtx exec_ctx;
   add_simple_trace(tracer);
   add_simple_trace(tracer);
-  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(3, uuid++);
+  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(3);
   grpc_channel_tracer_add_trace(
       tracer, grpc_slice_from_static_string("subchannel one created"),
       GRPC_ERROR_NONE, GRPC_CHANNEL_IDLE, sc1);
@@ -157,18 +155,18 @@ static void test_delete_parent_first() {
 }
 
 static void test_nesting() {
-  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(10, uuid++);
+  grpc_channel_tracer* tracer = GRPC_CHANNEL_TRACER_CREATE(10);
   grpc_core::ExecCtx exec_ctx;
   add_simple_trace(tracer);
   add_simple_trace(tracer);
-  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(5, uuid++);
+  grpc_channel_tracer* sc1 = GRPC_CHANNEL_TRACER_CREATE(5);
   grpc_channel_tracer_add_trace(
       tracer, grpc_slice_from_static_string("subchannel one created"),
       GRPC_ERROR_NONE, GRPC_CHANNEL_IDLE, sc1);
   // channel has only one subchannel right here.
   validate_children(tracer, 1);
   add_simple_trace(sc1);
-  grpc_channel_tracer* conn1 = GRPC_CHANNEL_TRACER_CREATE(5, uuid++);
+  grpc_channel_tracer* conn1 = GRPC_CHANNEL_TRACER_CREATE(5);
   // nesting one level deeper.
   grpc_channel_tracer_add_trace(
       sc1, grpc_slice_from_static_string("connection one created"),
@@ -177,7 +175,7 @@ static void test_nesting() {
   add_simple_trace(conn1);
   add_simple_trace(tracer);
   add_simple_trace(tracer);
-  grpc_channel_tracer* sc2 = GRPC_CHANNEL_TRACER_CREATE(5, uuid++);
+  grpc_channel_tracer* sc2 = GRPC_CHANNEL_TRACER_CREATE(5);
   grpc_channel_tracer_add_trace(
       tracer, grpc_slice_from_static_string("subchannel two created"),
       GRPC_ERROR_NONE, GRPC_CHANNEL_IDLE, sc2);