Skeleton mechanical impl. for the RecoveryImprovedComponent.

chrome/browser/component_updater/recovery_improved_component_installer.h

+// Copyright (c) 2017 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_COMPONENT_UPDATER_RECOVERY_IMPROVED_COMPONENT_INSTALLER_H_
+#define CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_IMPROVED_COMPONENT_INSTALLER_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "components/component_updater/default_component_installer.h"
+
+class PrefRegistrySimple;
+class PrefService;
+
+namespace component_updater {
+
+class ComponentUpdateService;
+
+class RecoveryImprovedInstallerTraits : public ComponentInstallerTraits {
+ public:
+  explicit RecoveryImprovedInstallerTraits(PrefService* prefs);
+  ~RecoveryImprovedInstallerTraits() override;
+
+ private:
+  friend class RecoveryImprovedInstallerTest;
+
+  // ComponentInstallerTraits implementation.
+  bool SupportsGroupPolicyEnabledComponentUpdates() const override;
+  bool RequiresNetworkEncryption() const override;
+  update_client::CrxInstaller::Result OnCustomInstall(
+      const base::DictionaryValue& manifest,
+      const base::FilePath& install_dir) override;
+  bool VerifyInstallation(const base::DictionaryValue& manifest,
+                          const base::FilePath& install_dir) const override;
+  void ComponentReady(const base::Version& version,
+                      const base::FilePath& install_dir,
+                      std::unique_ptr<base::DictionaryValue> manifest) override;
+  base::FilePath GetRelativeInstallDir() const override;
+  void GetHash(std::vector<uint8_t>* hash) const override;
+  std::string GetName() const override;
+  update_client::InstallerAttributes GetInstallerAttributes() const override;
+  std::vector<std::string> GetMimeTypes() const override;
+
+  PrefService* prefs_;
+
+  DISALLOW_COPY_AND_ASSIGN(RecoveryImprovedInstallerTraits);
+};
+
+void RegisterRecoveryImprovedComponent(ComponentUpdateService* cus,
+                                       PrefService* prefs);
+
+// Registers user preferences related to the recovery component.
+void RegisterPrefsForRecoveryImprovedComponent(PrefRegistrySimple* registry);
+
+}  // namespace component_updater
+
+#endif  // CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_IMPROVED_COMPONENT_INSTALLER_H_