Fix by misc-unused-using-decls

src/cpp/ext/proto_server_reflection.cc

@@ -28,7 +28,6 @@ using grpc::StatusCode;
 using grpc::reflection::v1alpha::ErrorResponse;
 using grpc::reflection::v1alpha::ExtensionNumberResponse;
 using grpc::reflection::v1alpha::ExtensionRequest;
-using grpc::reflection::v1alpha::FileDescriptorResponse;
 using grpc::reflection::v1alpha::ListServiceResponse;
 using grpc::reflection::v1alpha::ServerReflectionRequest;
 using grpc::reflection::v1alpha::ServerReflectionResponse;

test/core/tsi/alts/handshaker/alts_tsi_handshaker_test.cc

@@ -66,7 +66,6 @@ using grpc_core::internal::alts_handshaker_client_ref_for_testing;
 using grpc_core::internal::alts_handshaker_client_set_cb_for_testing;
 using grpc_core::internal::alts_handshaker_client_set_fields_for_testing;
 using grpc_core::internal::alts_handshaker_client_set_recv_bytes_for_testing;
-using grpc_core::internal::alts_handshaker_client_set_vtable_for_testing;
 using grpc_core::internal::alts_tsi_handshaker_get_client_for_testing;
 using grpc_core::internal::alts_tsi_handshaker_get_is_client_for_testing;
 using grpc_core::internal::alts_tsi_handshaker_set_client_vtable_for_testing;

test/cpp/end2end/async_end2end_test.cc

@@ -53,7 +53,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using grpc::testing::kTlsCredentialsType;
 using std::chrono::system_clock;
 
 namespace grpc {

test/cpp/end2end/client_crash_test.cc

@@ -38,7 +38,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 static std::string g_root;
 

test/cpp/end2end/client_lb_end2end_test.cc

@@ -68,7 +68,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 // defined in tcp_client.cc
 extern grpc_tcp_client_vtable* grpc_tcp_client_impl;

test/cpp/end2end/filter_end2end_test.cc

@@ -46,7 +46,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 namespace grpc {
 namespace testing {

test/cpp/end2end/generic_end2end_test.cc

@@ -43,7 +43,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 namespace grpc {
 namespace testing {

test/cpp/end2end/mock_test.cc

@@ -48,11 +48,9 @@ using grpc::testing::EchoResponse;
 using grpc::testing::EchoTestService;
 using grpc::testing::MockClientReaderWriter;
 using std::vector;
-using std::chrono::system_clock;
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::DoAll;
-using ::testing::Invoke;
 using ::testing::Return;
 using ::testing::SaveArg;
 using ::testing::SetArgPointee;

test/cpp/end2end/server_crash_test.cc

@@ -38,7 +38,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 static std::string g_root;
 

test/cpp/end2end/service_config_end2end_test.cc

@@ -65,7 +65,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 namespace grpc {
 namespace testing {

test/cpp/end2end/streaming_throughput_test.cc

@@ -42,7 +42,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 const char* kLargeString =
     "("

test/cpp/end2end/test_service_impl.h

@@ -36,8 +36,6 @@
 #include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/cpp/util/string_ref_helper.h"
 
-using std::chrono::system_clock;
-
 namespace grpc {
 namespace testing {
 

test/cpp/end2end/thread_stress_test.cc

@@ -42,7 +42,6 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using std::chrono::system_clock;
 
 const int kNumThreads = 100;  // Number of threads
 const int kNumAsyncSendThreads = 2;

test/cpp/ext/filters/census/stats_plugin_end2end_test.cc

@@ -45,7 +45,6 @@ using ::opencensus::stats::View;
 using ::opencensus::stats::ViewDescriptor;
 using ::opencensus::stats::testing::TestUtils;
 using ::opencensus::tags::TagKey;
-using ::opencensus::tags::TagMap;
 using ::opencensus::tags::WithTagMap;
 
 static const auto TEST_TAG_KEY = TagKey::Register("my_key");

test/cpp/interop/interop_server.cc

@@ -51,7 +51,6 @@ using grpc::ServerCredentials;
 using grpc::ServerReader;
 using grpc::ServerReaderWriter;
 using grpc::ServerWriter;
-using grpc::SslServerCredentialsOptions;
 using grpc::Status;
 using grpc::WriteOptions;
 using grpc::testing::InteropServerContextInspector;

test/cpp/interop/metrics_client.cc

@@ -40,7 +40,6 @@ DEFINE_bool(total_only, false,
 using grpc::testing::EmptyMessage;
 using grpc::testing::GaugeResponse;
 using grpc::testing::MetricsService;
-using grpc::testing::MetricsServiceImpl;
 
 // Do not log anything
 void BlackholeLogger(gpr_log_func_args* /*args*/) {}

test/cpp/interop/reconnect_interop_server.cc

@@ -46,11 +46,6 @@ DEFINE_int32(retry_port, 0,
 using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
-using grpc::ServerCredentials;
-using grpc::ServerReader;
-using grpc::ServerReaderWriter;
-using grpc::ServerWriter;
-using grpc::SslServerCredentialsOptions;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectInfo;

test/cpp/interop/stress_test.cc

@@ -109,7 +109,6 @@ DEFINE_string(server_host_override, "",
 using grpc::testing::ALTS;
 using grpc::testing::INSECURE;
 using grpc::testing::kTestCaseList;
-using grpc::testing::MetricsService;
 using grpc::testing::MetricsServiceImpl;
 using grpc::testing::StressTestInteropClient;
 using grpc::testing::TestCaseType;

test/cpp/interop/xds_interop_client.cc

@@ -61,10 +61,6 @@ using grpc::CompletionQueue;
 using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
-using grpc::ServerCredentials;
-using grpc::ServerReader;
-using grpc::ServerReaderWriter;
-using grpc::ServerWriter;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::LoadBalancerStatsRequest;

test/cpp/interop/xds_interop_server.cc

@@ -41,10 +41,6 @@ DEFINE_string(server_id, "cpp_server", "Server ID to include in responses.");
 using grpc::Server;
 using grpc::ServerBuilder;
 using grpc::ServerContext;
-using grpc::ServerCredentials;
-using grpc::ServerReader;
-using grpc::ServerReaderWriter;
-using grpc::ServerWriter;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::SimpleRequest;

test/cpp/naming/resolver_component_test.cc

@@ -79,7 +79,6 @@
 #define BAD_SOCKET_RETURN_VAL (-1)
 #endif
 
-using grpc::SubProcess;
 using std::vector;
 using testing::UnorderedElementsAreArray;
 

test/cpp/qps/driver.cc

@@ -45,7 +45,6 @@
 
 using std::deque;
 using std::list;
-using std::thread;
 using std::unique_ptr;
 using std::vector;
 

test/cpp/server/load_reporter/load_reporter_test.cc

@@ -44,9 +44,6 @@ using ::grpc::lb::v1::LoadBalancingFeedback;
 using ::grpc::load_reporter::CensusViewProvider;
 using ::grpc::load_reporter::CpuStatsProvider;
 using ::grpc::load_reporter::LoadReporter;
-using ::opencensus::stats::View;
-using ::opencensus::stats::ViewData;
-using ::opencensus::stats::ViewDataImpl;
 using ::opencensus::stats::ViewDescriptor;
 using ::testing::DoubleNear;
 using ::testing::Return;

test/cpp/util/channelz_sampler.cc

@@ -60,10 +60,6 @@ using grpc::Status;
 using grpc::StatusCode;
 using grpc::channelz::v1::GetChannelRequest;
 using grpc::channelz::v1::GetChannelResponse;
-using grpc::channelz::v1::GetServerRequest;
-using grpc::channelz::v1::GetServerResponse;
-using grpc::channelz::v1::GetServerSocketsRequest;
-using grpc::channelz::v1::GetServerSocketsResponse;
 using grpc::channelz::v1::GetServersRequest;
 using grpc::channelz::v1::GetServersResponse;
 using grpc::channelz::v1::GetSocketRequest;

test/cpp/util/time_test.cc

@@ -22,7 +22,6 @@
 
 #include "test/core/util/test_config.h"
 
-using std::chrono::duration_cast;
 using std::chrono::microseconds;
 using std::chrono::system_clock;