Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/extensions/api/media_galleries/media_galleries_apitest.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 "base/auto_reset.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_writer.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "chrome/browser/media_galleries/media_galleries_test_util.h"
 #include "chrome/browser/storage_monitor/storage_info.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/test/test_utils.h"
+#include "extensions/browser/extension_system.h"
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
 #include "chrome/browser/media_galleries/fileapi/picasa_finder.h"
 #include "chrome/common/media_galleries/picasa_test_util.h"
 #include "chrome/common/media_galleries/picasa_types.h"
 #include "chrome/common/media_galleries/pmp_test_util.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/mac/foundation_util.h"
@@ skipping 405 matching lines @@
   PopulateIPhotoTestData(
       ensure_media_directories_exists()->GetFakeIPhotoRootPath());
 
   base::ListValue custom_args;
   custom_args.AppendInteger(test_jpg_size());
   ASSERT_TRUE(RunMediaGalleriesTestWithArg("iphoto", custom_args)) << message_;
 
   iapps::SetMacPreferencesForTesting(NULL);
 }
 #endif  // defined(OS_MACOSX)