Whitespace change

PiperOrigin-RevId: 790764902
Change-Id: I09ec1bf76b5bd57363c2b8781af5de62c3c1b78d
diff --git a/absl/synchronization/mutex.h b/absl/synchronization/mutex.h
index 8dc6cf8..79d4235 100644
--- a/absl/synchronization/mutex.h
+++ b/absl/synchronization/mutex.h
@@ -293,12 +293,12 @@
   // These methods may be used (along with the complementary `Reader*()`
   // methods) to distinguish simple exclusive `Mutex` usage (`Lock()`,
   // etc.) from reader/writer lock usage.
-  void WriterLock() ABSL_EXCLUSIVE_LOCK_FUNCTION() { this->lock(); }
+  void WriterLock() ABSL_EXCLUSIVE_LOCK_FUNCTION() { lock(); }
 
-  void WriterUnlock() ABSL_UNLOCK_FUNCTION() { this->unlock(); }
+  void WriterUnlock() ABSL_UNLOCK_FUNCTION() { unlock(); }
 
   [[nodiscard]] bool WriterTryLock() ABSL_EXCLUSIVE_TRYLOCK_FUNCTION(true) {
-    return this->try_lock();
+    return try_lock();
   }
 
   // ---------------------------------------------------------------------------