Move ntp_tiles classes to namespace ntp_tiles.

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 <string>
 
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 489 matching lines @@
   SupervisedUserSharedSettingsService::RegisterProfilePrefs(registry);
   SupervisedUserSyncService::RegisterProfilePrefs(registry);
 #endif
   ChildAccountService::RegisterProfilePrefs(registry);
   SupervisedUserService::RegisterProfilePrefs(registry);
   SupervisedUserWhitelistService::RegisterProfilePrefs(registry);
 #endif
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
   variations::VariationsService::RegisterProfilePrefs(registry);
-  MostVisitedSites::RegisterProfilePrefs(registry);
+  ntp_tiles::MostVisitedSites::RegisterProfilePrefs(registry);
+  ntp_tiles::PopularSites::RegisterProfilePrefs(registry);
   NewTabPagePrefs::RegisterProfilePrefs(registry);
   PartnerBookmarksShim::RegisterProfilePrefs(registry);
-  PopularSites::RegisterProfilePrefs(registry);
 #else
   AppShortcutManager::RegisterProfilePrefs(registry);
   DeviceIDFetcher::RegisterProfilePrefs(registry);
   DevToolsWindow::RegisterProfilePrefs(registry);
 #if defined(ENABLE_APP_LIST)
   DriveAppMapping::RegisterProfilePrefs(registry);
 #endif
   extensions::CommandService::RegisterProfilePrefs(registry);
   extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
   extensions::TabsCaptureVisibleTabFunction::RegisterProfilePrefs(registry);
@@ skipping 177 matching lines @@
     profile_prefs->SetInt64(prefs::kDefaultBrowserLastDeclined,
                             install_time.ToInternalValue());
   }
   profile_prefs->ClearPref(kCheckDefaultBrowser);
 
   // Added 5/2016.
   profile_prefs->ClearPref(kDesktopSearchRedirectionInfobarShownPref);
 }
 
 }  // namespace chrome