"up-to-date" should only use hyphens when used as compound modifier of a noun

components/cronet/android/cronet_url_request_context_adapter.cc

Index: components/cronet/android/cronet_url_request_context_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_context_adapter.cc b/components/cronet/android/cronet_url_request_context_adapter.cc
index 7c2b781f70a3ba530117518787c869b91f54fa8c..91dc88e7549d3453bcd55bf1a295240d3385f062 100644
--- a/components/cronet/android/cronet_url_request_context_adapter.cc
+++ b/components/cronet/android/cronet_url_request_context_adapter.cc
@@ -331,7 +331,7 @@ void InitializeStorageDirectory(const base::FilePath& dir) {
   // Checks version file and clear old storage.
   base::FilePath version_filepath = dir.Append("version");
   if (IsCurrentVersion(version_filepath)) {
-    // The version is up-to-date, so there is nothing to do.
+    // The version is up to date, so there is nothing to do.
     return;
   }
   // Delete old directory recursively and create a new directory.