Implement PasswordStoreProxyMac and SimplePasswordStoreMac.

chrome/browser/password_manager/password_store_proxy_mac.h

Index: chrome/browser/password_manager/password_store_proxy_mac.h
diff --git a/chrome/browser/password_manager/password_store_proxy_mac.h b/chrome/browser/password_manager/password_store_proxy_mac.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e1020915a8070f6670f6e837db96d58c084091b
--- /dev/null
+++ b/chrome/browser/password_manager/password_store_proxy_mac.h
@@ -0,0 +1,80 @@
+// 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.
+
+#ifndef CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_PROXY_MAC_H_
+#define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_PROXY_MAC_H_
+
+#include "components/password_manager/core/browser/password_store.h"
+
+namespace crypto {
+class AppleKeychain;
+}
+
+namespace password_manager {
+class LoginDatabase;
+}
+
+class PasswordStoreMac;
+class SimplePasswordStoreMac;
+
+// The class is a proxy for either PasswordStoreMac or SimplePasswordStoreMac.
+// It is responsible for performing migration from PasswordStoreMac to
+// SimplePasswordStoreMac and instantiating a correct backend according to the
+// user's state.
+class PasswordStoreProxyMac : public password_manager::PasswordStore {
+ public:
+  PasswordStoreProxyMac(
+      scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner,
+      scoped_ptr<crypto::AppleKeychain> keychain,
+      scoped_ptr<password_manager::LoginDatabase> login_db);
+
+  bool Init(const syncer::SyncableService::StartSyncFlare& flare) override;
+  void Shutdown() override;
+
+ private:
+  ~PasswordStoreProxyMac() override;
+
+  password_manager::PasswordStore* GetBackend() const;
+
+  // PasswordStore:
+  scoped_refptr<base::SingleThreadTaskRunner> GetBackgroundTaskRunner()
+      override;
+  void ReportMetricsImpl(const std::string& sync_username,
+                         bool custom_passphrase_sync_enabled) override;
+  password_manager::PasswordStoreChangeList AddLoginImpl(
+      const autofill::PasswordForm& form) override;
+  password_manager::PasswordStoreChangeList UpdateLoginImpl(
+      const autofill::PasswordForm& form) override;
+  password_manager::PasswordStoreChangeList RemoveLoginImpl(
+      const autofill::PasswordForm& form) override;
+  password_manager::PasswordStoreChangeList RemoveLoginsCreatedBetweenImpl(
+      base::Time delete_begin,
+      base::Time delete_end) override;
+  password_manager::PasswordStoreChangeList RemoveLoginsSyncedBetweenImpl(
+      base::Time delete_begin,
+      base::Time delete_end) override;
+  ScopedVector<autofill::PasswordForm> FillMatchingLogins(
+      const autofill::PasswordForm& form,
+      AuthorizationPromptPolicy prompt_policy) override;
+  void GetAutofillableLoginsImpl(
+      scoped_ptr<PasswordStore::GetLoginsRequest> request) override;
+  void GetBlacklistLoginsImpl(
+      scoped_ptr<PasswordStore::GetLoginsRequest> request) override;
+  bool FillAutofillableLogins(
+      ScopedVector<autofill::PasswordForm>* forms) override;
+  bool FillBlacklistLogins(
+      ScopedVector<autofill::PasswordForm>* forms) override;
+  void AddSiteStatsImpl(
+      const password_manager::InteractionsStats& stats) override;
+  void RemoveSiteStatsImpl(const GURL& origin_domain) override;
+  scoped_ptr<password_manager::InteractionsStats> GetSiteStatsImpl(
+      const GURL& origin_domain) override;
+
+  scoped_refptr<PasswordStoreMac> password_store_mac_;
+  scoped_refptr<SimplePasswordStoreMac> password_store_simple_;
+
+  DISALLOW_COPY_AND_ASSIGN(PasswordStoreProxyMac);
+};
+
+#endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_PROXY_MAC_H_