Remove ChromeBrowserProvider::CreateSyncedWindowDelegatesGetter().

ios/public/provider/chrome/browser/chrome_browser_provider.mm

 // 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 "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 
 #include <cstddef>
 
 #include "base/logging.h"
 #include "components/metrics/metrics_provider.h"
-#include "components/sync_sessions/synced_window_delegates_getter.h"
 
 namespace ios {
 
 namespace {
 ChromeBrowserProvider* g_chrome_browser_provider = nullptr;
 }  // namespace
 
 void SetChromeBrowserProvider(ChromeBrowserProvider* provider) {
   g_chrome_browser_provider = provider;
 }
@@ skipping 56 matching lines @@
 void ChromeBrowserProvider::InitializeCastService(id main_tab_model) const {}
 
 void ChromeBrowserProvider::AttachTabHelpers(web::WebState* web_state,
                                              id tab) const {}
 
 bool ChromeBrowserProvider::IsSafeBrowsingEnabled(
     const base::Closure& on_update_callback) {
   return false;
 }
 
-std::unique_ptr<sync_sessions::SyncedWindowDelegatesGetter>
-ChromeBrowserProvider::CreateSyncedWindowDelegatesGetter(
-    ios::ChromeBrowserState* browser_state) {
-  return nullptr;
-}
-
 VoiceSearchProvider* ChromeBrowserProvider::GetVoiceSearchProvider() const {
   return nullptr;
 }
 
 AppDistributionProvider* ChromeBrowserProvider::GetAppDistributionProvider()
     const {
   return nullptr;
 }
 
 id<LogoVendor> ChromeBrowserProvider::CreateLogoVendor(
@@ skipping 21 matching lines @@
 id<NativeAppWhitelistManager>
 ChromeBrowserProvider::GetNativeAppWhitelistManager() const {
   return nil;
 }
 
 void ChromeBrowserProvider::HideModalViewStack() const {}
 
 void ChromeBrowserProvider::LogIfModalViewsArePresented() const {}
 
 }  // namespace ios