chrome/browser/platform_util_unittest.cc

// Copyright 2015 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/platform_util.h"

#include <memory>

#include "base/bind.h"
#include "base/callback.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/stl_util.h"
#include "build/build_config.h"
#include "chrome/browser/platform_util_internal.h"
#include "testing/gtest/include/gtest/gtest.h"

#if defined(OS_CHROMEOS)
#include "base/json/json_string_value_serializer.h"
#include "base/values.h"
#include "chrome/browser/chrome_content_browser_client.h"
#include "chrome/browser/chromeos/file_manager/app_id.h"
#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
#include "chrome/browser/chromeos/fileapi/file_system_backend_delegate.h"
#include "chrome/browser/extensions/extension_special_storage_policy.h"
#include "chrome/test/base/browser_with_test_window_test.h"
#include "content/public/browser/browser_context.h"
#include "content/public/common/content_client.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension.h"
#include "storage/browser/fileapi/external_mount_points.h"
#include "storage/browser/test/mock_special_storage_policy.h"
#include "storage/common/fileapi/file_system_types.h"
#else
#include "content/public/test/browser_task_environment.h"
#endif

namespace platform_util {

namespace {

#if defined(OS_CHROMEOS)

// ChromeContentBrowserClient subclass that sets up a custom file system backend
// that allows the test to grant file access to the file manager extension ID
// without having to install the extension.
class PlatformUtilTestContentBrowserClient : public ChromeContentBrowserClient {
 public:
  void GetAdditionalFileSystemBackends(
      content::BrowserContext* browser_context,
      const base::FilePath& storage_partition_path,
      std::vector<std::unique_ptr<storage::FileSystemBackend>>*
          additional_backends) override {
    storage::ExternalMountPoints* external_mount_points =
        content::BrowserContext::GetMountPoints(browser_context);

    // New FileSystemBackend that uses our MockSpecialStoragePolicy.
    additional_backends->push_back(
        std::make_unique<chromeos::FileSystemBackend>(
            nullptr, nullptr, nullptr, nullptr, nullptr, external_mount_points,
            storage::ExternalMountPoints::GetSystemInstance()));