Move chrome.fileSystem implementation to //extensions

chrome/browser/extensions/api/file_system/file_system_apitest_chromeos.cc

 // 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/file_system/file_system_api.h"
-
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager.h"
 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/extensions/api/file_system/consent_provider.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/common/chrome_paths.h"
-#include "chrome/common/extensions/api/file_system.h"
 #include "components/drive/chromeos/file_system_interface.h"
 #include "components/drive/service/fake_drive_service.h"
 #include "content/public/test/test_utils.h"
+#include "extensions/browser/api/file_system/file_system_api.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/common/api/file_system.h"
 #include "google_apis/drive/base_requests.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "google_apis/drive/test_util.h"
 #include "storage/browser/fileapi/external_mount_points.h"
 #include "ui/base/ui_base_types.h"
 
+// TODO(michaelpg): Port these tests to app_shell: crbug.com/505926.
+
 using file_manager::VolumeManager;
 
 namespace extensions {
 namespace {
 
 // Mount point names for chrome.fileSystem.requestFileSystem() tests.
 const char kWritableMountPointName[] = "writable";
 const char kReadOnlyMountPointName[] = "read-only";
 
 // Child directory created in each of the mount points.
@@ skipping 445 matching lines @@
       profile(), extensions::api::file_system::OnVolumeListChanged::kEventName,
       kTestingExtensionId,
       base::Bind(&FileSystemApiTestForRequestFileSystem::MountFakeVolume,
                  base::Unretained(this)));
 
   ASSERT_TRUE(RunPlatformAppTest("api_test/file_system/on_volume_list_changed"))
       << message_;
 }
 
 }  // namespace extensions