Remove ChromeBrowserProvider::CreateSyncedWindowDelegatesGetter().

ios/public/provider/chrome/browser/test_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/test_chrome_browser_provider.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "ios/public/provider/chrome/browser/distribution/test_app_distribution_provider.h"
 #include "ios/public/provider/chrome/browser/images/test_branded_image_provider.h"
 #include "ios/public/provider/chrome/browser/omaha/test_omaha_service_provider.h"
-#include "ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h"
 #include "ios/public/provider/chrome/browser/signin/fake_chrome_identity_service.h"
 #include "ios/public/provider/chrome/browser/signin/test_signin_resources_provider.h"
 #import "ios/public/provider/chrome/browser/spotlight/test_spotlight_provider.h"
 #import "ios/public/provider/chrome/browser/ui/test_styled_text_field.h"
 #import "ios/public/provider/chrome/browser/user_feedback/test_user_feedback_provider.h"
 #import "ios/public/provider/chrome/browser/voice/test_voice_search_provider.h"
 #import "ios/public/provider/chrome/browser/voice/voice_search_language.h"
 
 namespace ios {
 
@@ skipping 55 matching lines @@
 
 UserFeedbackProvider* TestChromeBrowserProvider::GetUserFeedbackProvider()
     const {
   return user_feedback_provider_.get();
 }
 
 SpotlightProvider* TestChromeBrowserProvider::GetSpotlightProvider() const {
   return spotlight_provider_.get();
 }
 
-std::unique_ptr<sync_sessions::SyncedWindowDelegatesGetter>
-TestChromeBrowserProvider::CreateSyncedWindowDelegatesGetter(
-    ios::ChromeBrowserState* browser_state) {
-  return base::MakeUnique<TestSyncedWindowDelegatesGetter>();
-}
-
 BrandedImageProvider* TestChromeBrowserProvider::GetBrandedImageProvider()
     const {
   return branded_image_provider_.get();
 }
 
 id<NativeAppWhitelistManager>
 TestChromeBrowserProvider::GetNativeAppWhitelistManager() const {
   return nil;
 }
 
 }  // namespace ios