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

remoting/host/mac/me2me_preference_pane.mm

 // Copyright (c) 2012 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.
 
 #import "remoting/host/mac/me2me_preference_pane.h"
 
 #import <Cocoa/Cocoa.h>
 #include <CommonCrypto/CommonHMAC.h>
 #include <errno.h>
 #include <launch.h>
@@ skipping 135 matching lines @@
 }
 
 - (void)applyConfiguration:(id)sender
                        pin:(NSString*)pin {
   if (!have_new_config_) {
     // It shouldn't be possible to hit the button if there is no config to
     // apply, but check anyway just in case it happens somehow.
     return;
   }
 
-  // Ensure the authorization token is up-to-date before using it.
+  // Ensure the authorization token is up to date before using it.
   [self updateAuthorizationStatus];
   [self updateUI];
 
   std::string pin_utf8 = [pin UTF8String];
   std::string host_id, host_secret_hash;
   bool result = (config_->GetString(remoting::kHostIdConfigPath, &host_id) &&
                  config_->GetString(remoting::kHostSecretHashConfigPath,
                                     &host_secret_hash));
   if (!result) {
     [self showError];
     return;
   }
   if (!remoting::VerifyHostPinHash(host_secret_hash, host_id, pin_utf8)) {
     [self showIncorrectPinMessage];
     return;
   }
 
   [self applyNewServiceConfig];
   [self updateUI];
 }
 
 - (void)onDisable:(id)sender {
-  // Ensure the authorization token is up-to-date before using it.
+  // Ensure the authorization token is up to date before using it.
   [self updateAuthorizationStatus];
   [self updateUI];
   if (!is_pane_unlocked_)
     return;
 
   if (![self runHelperAsRootWithCommand:"--disable"
                               inputData:""]) {
     NSLog(@"Failed to run the helper tool");
     [self showError];
     [self notifyPlugin:UPDATE_FAILED_NOTIFICATION_NAME];
@@ skipping 390 matching lines @@
   NSArray* arguments = [NSArray arrayWithObjects:@"--relaunch-prefpane", nil];
   [task setLaunchPath:command];
   [task setArguments:arguments];
   [task setStandardInput:[NSPipe pipe]];
   [task launch];
   [task release];
   [NSApp terminate:nil];
 }
 
 @end