Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/ui/webui/extensions/extension_info_ui.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/extensions/extension_info_ui.h"
 
 #include "base/i18n/time_formatting.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/extensions/extension_basic_info.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "extensions/browser/extension_prefs.h"
+#include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 
 namespace extensions {
 
 ExtensionInfoUI::ExtensionInfoUI(content::WebUI* web_ui, const GURL& url)
     : content::WebUIController(web_ui),
       source_(content::WebUIDataSource::Create(
           chrome::kChromeUIExtensionInfoHost)) {
@@ skipping 43 matching lines @@
                                       ExtensionIconSet::MATCH_BIGGER,
                                       false, NULL);
   source_->AddString("icon", base::UTF8ToUTF16(icon.spec()));
   // Set the last update time (the install time).
   base::Time install_time = extension_service->extension_prefs()->
       GetInstallTime(extension_id);
   source_->AddString("installTime", base::TimeFormatShortDate(install_time));
 }
 
 }  // namespace extensions