[Variations] Read the policy from profile prefs if on Android

chrome/browser/prefs/browser_prefs.cc

 // Copyright 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.
 
 #include "chrome/browser/prefs/browser_prefs.h"
 
 #include "apps/prefs.h"
 #include "base/debug/trace_event.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 382 matching lines @@
 
 #if defined(ENABLE_MDNS)
   LocalDiscoveryUI::RegisterProfilePrefs(registry);
 #endif
 
 #if defined(ENABLE_NOTIFICATIONS)
   DesktopNotificationService::RegisterProfilePrefs(registry);
 #endif
 
 #if defined(OS_ANDROID)
+  chrome_variations::VariationsService::RegisterProfilePrefs(registry);
   NewTabPagePrefs::RegisterProfilePrefs(registry);
   PartnerBookmarksShim::RegisterProfilePrefs(registry);
   PromoHandler::RegisterProfilePrefs(registry);
 #else
   AppShortcutManager::RegisterProfilePrefs(registry);
   autofill::GeneratedCreditCardBubbleController::RegisterUserPrefs(registry);
   DeviceIDFetcher::RegisterProfilePrefs(registry);
   DevToolsWindow::RegisterProfilePrefs(registry);
   extensions::CommandService::RegisterProfilePrefs(registry);
   extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
@@ skipping 156 matching lines @@
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version);
   }
 
 #if defined(OS_CHROMEOS)
   chromeos::default_pinned_apps_field_trial::MigratePrefs(local_state);
 #endif
 }
 
 }  // namespace chrome