Minor cleanups to conform to clang-tidy, etc.

PiperOrigin-RevId: 590450038

src/google/protobuf/message.cc

@@ -11,12 +11,15 @@
 
 #include "google/protobuf/message.h"
 
-#include <iostream>
-#include <stack>
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
+#include <new>
+#include <string>
 
-#include "absl/base/casts.h"
 #include "absl/container/flat_hash_map.h"
 #include "absl/container/flat_hash_set.h"
+#include "absl/hash/hash.h"
 #include "absl/log/absl_check.h"
 #include "absl/log/absl_log.h"
 #include "absl/strings/str_join.h"
@@ -30,10 +33,10 @@
 #include "google/protobuf/generated_message_tctable_impl.h"
 #include "google/protobuf/generated_message_util.h"
 #include "google/protobuf/io/coded_stream.h"
-#include "google/protobuf/io/zero_copy_stream_impl.h"
 #include "google/protobuf/map_field.h"
-#include "google/protobuf/map_field_inl.h"
+#include "google/protobuf/message_lite.h"
 #include "google/protobuf/parse_context.h"
+#include "google/protobuf/port.h"
 #include "google/protobuf/reflection_internal.h"
 #include "google/protobuf/reflection_ops.h"
 #include "google/protobuf/unknown_field_set.h"
@@ -209,7 +212,7 @@ void* CreateSplitMessageGeneric(Arena* arena, const void* default_split,
 // =============================================================================
 // MessageFactory
 
-MessageFactory::~MessageFactory() {}
+MessageFactory::~MessageFactory() = default;
 
 namespace {