Remove handling of ClearSiteDataOnExit policy

chrome/browser/sessions/restore_on_startup_policy_handler.cc

 // 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.
 
 #include "chrome/browser/sessions/restore_on_startup_policy_handler.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/common/pref_names.h"
@@ skipping 46 matching lines @@
         // session is not cleared so we have to warn the user in that case.
         const base::Value* cookies_policy =
             policies.GetValue(key::kCookiesSessionOnlyForUrls);
         const base::ListValue* cookies_value;
         if (cookies_policy && cookies_policy->GetAsList(&cookies_value) &&
             !cookies_value->empty()) {
           errors->AddError(key::kCookiesSessionOnlyForUrls,
                            IDS_POLICY_OVERRIDDEN,
                            key::kRestoreOnStartup);
         }
-
-        const base::Value* exit_policy =
-            policies.GetValue(key::kClearSiteDataOnExit);
-        bool exit_value;
-        if (exit_policy && exit_policy->GetAsBoolean(&exit_value) &&
-            exit_value) {
-          errors->AddError(key::kClearSiteDataOnExit,
-                           IDS_POLICY_OVERRIDDEN,
-                           key::kRestoreOnStartup);
-        }
         break;
       }
       case SessionStartupPref::kPrefValueURLs:
       case SessionStartupPref::kPrefValueNewTab:
         // No error
         break;
       default:
         errors->AddError(policy_name(),
                          IDS_POLICY_OUT_OF_RANGE_ERROR,
                          base::IntToString(restore_value));
     }
   }
   return true;
 }
 
 }  // namespace policy