Split the policy refresh rate preference into user- and device-policy refresh rate.

chrome/browser/prefs/browser_prefs.cc

 // Copyright (c) 2011 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/prefs/browser_prefs.h"
 
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/background_contents_service.h"
 #include "chrome/browser/background_mode_manager.h"
@@ skipping 145 matching lines @@
   BrowserWindowGtk::RegisterUserPrefs(user_prefs);
 #endif
 #if defined(OS_CHROMEOS)
   chromeos::Preferences::RegisterUserPrefs(user_prefs);
 #endif
   BackgroundContentsService::RegisterUserPrefs(user_prefs);
   SigninManager::RegisterUserPrefs(user_prefs);
   TemplateURLModel::RegisterUserPrefs(user_prefs);
   InstantController::RegisterUserPrefs(user_prefs);
   NetPrefObserver::RegisterPrefs(user_prefs);
+  // TODO(sfeuz): Remove registering of cloud policy refresh rate preference in
+  // |user_prefs| once we can push user cloud policies to local_state.
   policy::CloudPolicySubsystem::RegisterPrefs(user_prefs);
   ProtocolHandlerRegistry::RegisterPrefs(user_prefs);
 }
 
 void MigrateBrowserPrefs(PrefService* user_prefs, PrefService* local_state) {
   // Copy pref values which have been migrated to user_prefs from local_state,
   // or remove them from local_state outright, if copying is not required.
   int current_version =
       local_state->GetInteger(prefs::kMultipleProfilePrefMigration);
 
@@ skipping 17 matching lines @@
       user_prefs->Set(prefs::kBrowserWindowPlacement, *(pref->GetValue()));
     }
     local_state->ClearPref(prefs::kBrowserWindowPlacement);
 
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version | WINDOWS_PREFS);
   }
 }
 
 }  // namespace browser