Populate storage_unittests target.

content/browser/fileapi/mock_file_update_observer.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 CONTENT_BROWSER_FILEAPI_MOCK_FILE_UPDATE_OBSERVER_H_
-#define CONTENT_BROWSER_FILEAPI_MOCK_FILE_UPDATE_OBSERVER_H_
-
-#include <stdint.h>
-
-#include <map>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "storage/browser/fileapi/file_observers.h"
-#include "storage/browser/fileapi/file_system_url.h"
-#include "storage/browser/fileapi/task_runner_bound_observer_list.h"
-
-namespace storage {
-
-// Mock file change observer.
-class MockFileUpdateObserver : public FileUpdateObserver {
- public:
-  MockFileUpdateObserver();
-  ~MockFileUpdateObserver() override;
-
-  // Creates a ChangeObserverList which only contains given |observer|.
-  static UpdateObserverList CreateList(MockFileUpdateObserver* observer);
-
-  // FileUpdateObserver overrides.
-  void OnStartUpdate(const FileSystemURL& url) override;
-  void OnUpdate(const FileSystemURL& url, int64_t delta) override;
-  void OnEndUpdate(const FileSystemURL& url) override;
-
-  void Enable() { is_ready_ = true; }
-
-  void Disable() {
-    start_update_count_.clear();
-    end_update_count_.clear();
-    is_ready_ = false;
-  }
-
- private:
-  std::map<FileSystemURL, int, FileSystemURL::Comparator> start_update_count_;
-  std::map<FileSystemURL, int, FileSystemURL::Comparator> end_update_count_;
-  bool is_ready_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockFileUpdateObserver);
-};
-
-}  // namespace storage
-
-#endif  // CONTENT_BROWSER_FILEAPI_MOCK_FILE_UPDATE_OBSERVER_H_