Remove ChromeBrowserProvider::CreateSyncedWindowDelegatesGetter().

ios/chrome/browser/sync/ios_chrome_sync_client.mm

Index: ios/chrome/browser/sync/ios_chrome_sync_client.mm
diff --git a/ios/chrome/browser/sync/ios_chrome_sync_client.mm b/ios/chrome/browser/sync/ios_chrome_sync_client.mm
index 5ed9a2bd41c21860113d2f7ea313d5b195f5f1c3..10bf741f3e557552adb5201304215868889d3e8a 100644
--- a/ios/chrome/browser/sync/ios_chrome_sync_client.mm
+++ b/ios/chrome/browser/sync/ios_chrome_sync_client.mm
@@ -58,10 +58,10 @@
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
 #include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 #include "ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.h"
+#include "ios/chrome/browser/tabs/tab_model_synced_window_delegate_getter.h"
 #include "ios/chrome/browser/undo/bookmark_undo_service_factory.h"
 #include "ios/chrome/browser/web_data_service_factory.h"
 #include "ios/chrome/common/channel_info.h"
-#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #include "ios/web/public/web_thread.h"
 #include "ui/base/device_form_factor.h"
 
@@ -79,7 +79,7 @@ class SyncSessionsClientImpl : public sync_sessions::SyncSessionsClient {
   explicit SyncSessionsClientImpl(ios::ChromeBrowserState* browser_state)
       : browser_state_(browser_state),
         window_delegates_getter_(
-            ios::GetChromeBrowserProvider()->CreateSyncedWindowDelegatesGetter(
+            base::MakeUnique<TabModelSyncedWindowDelegatesGetter>(
                 browser_state)) {}
 
   ~SyncSessionsClientImpl() override {}