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

chrome/browser/chromeos/file_system_provider/mount_path_util.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 "chrome/browser/chromeos/file_system_provider/mount_path_util.h"
 
 #include <vector>
 
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 32 matching lines @@
     } else {
       escaped.push_back(c);
     }
   }
   return escaped;
 }
 
 base::FilePath GetMountPath(Profile* profile,
                             const std::string& extension_id,
                             const std::string& file_system_id) {
-  user_manager::User* const user =
+  const user_manager::User* const user =
       user_manager::UserManager::IsInitialized()
           ? chromeos::ProfileHelper::Get()->GetUserByProfile(
                 profile->GetOriginalProfile())
           : NULL;
   const std::string safe_file_system_id = EscapeFileSystemId(file_system_id);
   const std::string username_suffix = user ? user->username_hash() : "";
   return base::FilePath(kProvidedMountPointRoot).AppendASCII(
       extension_id + ":" + safe_file_system_id + ":" + username_suffix);
 }
 
@@ skipping 106 matching lines @@
   for (size_t i = 3; i < components.size(); ++i) {
     file_path_ = file_path_.Append(components[i]);
   }
 
   return true;
 }
 
 }  // namespace util
 }  // namespace file_system_provider
 }  // namespace chromeos