[Cleanup] Const-correct the profile() method for the EasyUnlockService

chrome/browser/chromeos/attestation/platform_verification_flow.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_
 #define CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 89 matching lines @@
 
     // Gets prefs associated with the given |web_contents|.  If no prefs are
     // associated with |web_contents| then NULL is returned.
     virtual PrefService* GetPrefs(content::WebContents* web_contents) = 0;
 
     // Gets the URL associated with the given |web_contents|.
     virtual const GURL& GetURL(content::WebContents* web_contents) = 0;
 
     // Gets the user associated with the given |web_contents|.  NULL may be
     // returned.
-    virtual user_manager::User* GetUser(content::WebContents* web_contents) = 0;
+    virtual const user_manager::User* GetUser(
+        content::WebContents* web_contents) = 0;
 
     // Gets the content settings map associated with the given |web_contents|.
     virtual HostContentSettingsMap* GetContentSettings(
         content::WebContents* web_contents) = 0;
 
     // Returns true iff |web_contents| belongs to a guest or incognito session.
     virtual bool IsGuestOrIncognito(content::WebContents* web_contents) = 0;
   };
 
   // This callback will be called when a challenge operation completes.  If
@@ skipping 159 matching lines @@
   scoped_ptr<Delegate> default_delegate_;
   base::TimeDelta timeout_delay_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformVerificationFlow);
 };
 
 }  // namespace attestation
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_FLOW_H_