1 files changed, 10 insertions, 3 deletions
diff --git a/absl/flags/usage.cc b/absl/flags/usage.cc
index 12c346b7..452f6675 100644
--- a/absl/flags/usage.cc
+++ b/absl/flags/usage.cc
@@ -14,18 +14,25 @@
 // limitations under the License.
 #include "absl/flags/usage.h"
 
+#include <stdlib.h>
+
 #include <string>
 
+#include "absl/base/attributes.h"
+#include "absl/base/config.h"
+#include "absl/base/const_init.h"
+#include "absl/base/thread_annotations.h"
 #include "absl/flags/internal/usage.h"
+#include "absl/strings/string_view.h"
 #include "absl/synchronization/mutex.h"
 
 namespace absl {
-inline namespace lts_2019_08_08 {
+ABSL_NAMESPACE_BEGIN
 namespace flags_internal {
 namespace {
 ABSL_CONST_INIT absl::Mutex usage_message_guard(absl::kConstInit);
 ABSL_CONST_INIT std::string* program_usage_message
-    GUARDED_BY(usage_message_guard) = nullptr;
+    ABSL_GUARDED_BY(usage_message_guard) = nullptr;
 }  // namespace
 }  // namespace flags_internal
 
@@ -54,5 +61,5 @@ absl::string_view ProgramUsageMessage() {
              : "Warning: SetProgramUsageMessage() never called";
 }
 
-}  // inline namespace lts_2019_08_08
+ABSL_NAMESPACE_END
 }  // namespace absl