Modify remaining usecases in test/cpp

test/cpp/microbenchmarks/bm_call_create.cc

@@ -135,7 +135,8 @@ static void BM_LameChannelCallCreateCpp(benchmark::State& state) {
           "",
           grpc_lame_client_channel_create("localhost:1234",
                                           GRPC_STATUS_UNAUTHENTICATED, "blah"),
-          nullptr));
+          std::vector<std::unique_ptr<
+              grpc::experimental::ClientInterceptorFactoryInterface>>()));
   grpc::CompletionQueue cq;
   grpc::testing::EchoRequest send_request;
   grpc::testing::EchoResponse recv_response;

test/cpp/microbenchmarks/fullstack_fixtures.h

@@ -218,7 +218,10 @@ class EndpointPairFixture : public BaseFixture {
           "target", &c_args, GRPC_CLIENT_DIRECT_CHANNEL, client_transport_);
       grpc_chttp2_transport_start_reading(client_transport_, nullptr, nullptr);
 
-      channel_ = CreateChannelInternal("", channel, nullptr);
+      channel_ = CreateChannelInternal(
+          "", channel,
+          std::vector<std::unique_ptr<
+              experimental::ClientInterceptorFactoryInterface>>());
     }
   }
 

test/cpp/performance/writes_per_rpc_test.cc

@@ -118,7 +118,10 @@ class EndpointPairFixture {
           "target", &c_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
       grpc_chttp2_transport_start_reading(transport, nullptr, nullptr);
 
-      channel_ = CreateChannelInternal("", channel, nullptr);
+      channel_ = CreateChannelInternal(
+          "", channel,
+          std::vector<std::unique_ptr<
+              experimental::ClientInterceptorFactoryInterface>>());
     }
   }