Remove ChromeBrowserProvider::CreateSyncedWindowDelegatesGetter().

ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h

Index: ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h
diff --git a/ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h b/ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h
deleted file mode 100644
index 79c2676e53ad58d6aba73b2afa3d2dc228bb1a4b..0000000000000000000000000000000000000000
--- a/ios/public/provider/chrome/browser/sessions/test_synced_window_delegates_getter.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2016 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.
-
-#ifndef IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SESSIONS_TEST_SYNCED_WINDOW_DELEGATES_GETTER_H_
-#define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SESSIONS_TEST_SYNCED_WINDOW_DELEGATES_GETTER_H_
-
-#include "base/macros.h"
-#include "components/sync_sessions/synced_window_delegates_getter.h"
-
-class TestSyncedWindowDelegatesGetter
-    : public sync_sessions::SyncedWindowDelegatesGetter {
- public:
-  TestSyncedWindowDelegatesGetter() {}
-  ~TestSyncedWindowDelegatesGetter() override {}
-
-  // SyncedWindowDelegatesGetter.
-  std::set<const sync_sessions::SyncedWindowDelegate*>
-  GetSyncedWindowDelegates() override;
-  const sync_sessions::SyncedWindowDelegate* FindById(
-      SessionID::id_type id) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestSyncedWindowDelegatesGetter);
-};
-
-#endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SESSIONS_TEST_SYNCED_WINDOW_DELEGATES_GETTER_H_