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

components/cronet/android/cronet_url_request_context_adapter.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/cronet/android/cronet_url_request_context_adapter.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 313 matching lines @@
     return false;
   }
   return version == kStorageVersion;
 }
 
 // TODO(xunjieli): Handle failures.
 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.
   // base::DeleteFile returns true if the directory does not exist, so it is
   // fine if there is nothing on disk.
   if (!(base::DeleteFile(dir, true) && base::CreateDirectory(dir))) {
     DLOG(WARNING) << "Cannot purge directory.";
     return;
   }
   base::File new_version_file(version_filepath, base::File::FLAG_CREATE_ALWAYS |
@@ skipping 542 matching lines @@
     JNIEnv* env,
     const JavaParamRef<jclass>& jcaller) {
   base::StatisticsRecorder::Initialize();
   std::vector<uint8_t> data;
   if (!HistogramManager::GetInstance()->GetDeltas(&data))
     return ScopedJavaLocalRef<jbyteArray>();
   return base::android::ToJavaByteArray(env, &data[0], data.size());
 }
 
 }  // namespace cronet