Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/ui/webui/options/search_engine_manager_handler.cc

 // Copyright (c) 2012 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/ui/webui/options/search_engine_manager_handler.h"
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/ui/search_engines/keyword_editor_controller.h"
 #include "chrome/browser/ui/search_engines/template_url_table_model.h"
 #include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_ui.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 enum EngineInfoIndexes {
   ENGINE_NAME,
   ENGINE_KEYWORD,
@@ skipping 276 matching lines @@
 
   // Recheck validity.  It's possible to get here with invalid input if e.g. the
   // user calls the right JS functions directly from the web inspector.
   if (edit_controller_->IsTitleValid(name) &&
       edit_controller_->IsKeywordValid(keyword) &&
       edit_controller_->IsURLValid(url))
     edit_controller_->AcceptAddOrEdit(name, keyword, url);
 }
 
 }  // namespace options