[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
+#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
+
+#include <string>
+
+#include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
+#include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
+
+namespace extensions {
+class EventRouter;
+}  // namespace extensions
+
+namespace chromeos {
+namespace file_system_provider {
+
+class RequestManager;
+
+// Fake provided file system implementation. Does not communicate with target
+// extensions. Used for unit tests.
+class FakeProvidedFileSystem : public ProvidedFileSystemInterface {
+ public:
+  explicit FakeProvidedFileSystem(
+      const ProvidedFileSystemInfo& file_system_info);
+  virtual ~FakeProvidedFileSystem();
+
+  // ProvidedFileSystemInterface overrides.
+  virtual bool RequestUnmount(
+      const fileapi::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
+  virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const OVERRIDE;
+
+  // Factory callback, to be used in Service::SetFileSystemFactory(). Both
+  // |event_router| and |request_manager| arguments can be NULL.
+  static ProvidedFileSystemInterface* Create(
+      extensions::EventRouter* event_router,
+      RequestManager* request_manager,
+      const ProvidedFileSystemInfo& file_system_info);
+
+ private:
+  ProvidedFileSystemInfo file_system_info_;
+  DISALLOW_COPY_AND_ASSIGN(FakeProvidedFileSystem);
+};
+
+}  // namespace file_system_provider
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_