Revert of Add ExtensionsApiClient interface, use it in the storage API SettingsFrontend

chrome/browser/extensions/api/chrome_extensions_api_client.cc

Index: chrome/browser/extensions/api/chrome_extensions_api_client.cc
diff --git a/chrome/browser/extensions/api/chrome_extensions_api_client.cc b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
deleted file mode 100644
index a424bc738eb4f7d8dda667a92daa6ead42854955..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/chrome_extensions_api_client.cc
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2014 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/extensions/api/chrome_extensions_api_client.h"
-
-#if defined(ENABLE_CONFIGURATION_POLICY)
-#include "chrome/browser/extensions/api/storage/managed_value_store_cache.h"
-#endif
-
-namespace extensions {
-
-ChromeExtensionsAPIClient::ChromeExtensionsAPIClient() {}
-
-ChromeExtensionsAPIClient::~ChromeExtensionsAPIClient() {}
-
-void ChromeExtensionsAPIClient::AddAdditionalValueStoreCaches(
-    content::BrowserContext* context,
-    const scoped_refptr<SettingsStorageFactory>& factory,
-    const scoped_refptr<ObserverListThreadSafe<SettingsObserver> >& observers,
-    std::map<settings_namespace::Namespace, ValueStoreCache*>* caches) {
-#if defined(ENABLE_CONFIGURATION_POLICY)
-  // Add support for chrome.storage.managed.
-  (*caches)[settings_namespace::MANAGED] =
-      new ManagedValueStoreCache(context, factory, observers);
-#endif
-}
-
-}  // namespace extensions