Remove friend classes from PasswordStore.

components/password_manager/core/browser/password_store_sync.h

Index: components/password_manager/core/browser/password_store_sync.h
diff --git a/components/password_manager/core/browser/password_store_sync.h b/components/password_manager/core/browser/password_store_sync.h
new file mode 100644
index 0000000000000000000000000000000000000000..d984bad4a3a20dcd3aef404c85705e2467b0f4cb
--- /dev/null
+++ b/components/password_manager/core/browser/password_store_sync.h
@@ -0,0 +1,49 @@
+// 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 COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_SYNC_INTERFACE_H_
+#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_SYNC_INTERFACE_H_
+
+#include <vector>
+
+#include "components/password_manager/core/browser/password_store_change.h"
+
+namespace password_manager {
+
+// PasswordStore interface for PasswordSyncableService. It provides access to
+// synchronous methods of PasswordStore which shouldn't be accessible to other
+// classes. These methods are to be called on the PasswordStore background
+// thread only.
+class PasswordStoreSync {
+ public:
+  // Finds all non-blacklist PasswordForms, and fills the vector.
+  virtual bool FillAutofillableLogins(
+      std::vector<autofill::PasswordForm*>* forms) = 0;
+
+  // Finds all blacklist PasswordForms, and fills the vector.
+  virtual bool FillBlacklistLogins(
+      std::vector<autofill::PasswordForm*>* forms) = 0;
+
+  // Synchronous implementation to add the given login.
+  virtual PasswordStoreChangeList AddLoginImpl(
+      const autofill::PasswordForm& form) = 0;
+
+  // Synchronous implementation to update the given login.
+  virtual PasswordStoreChangeList UpdateLoginImpl(
+      const autofill::PasswordForm& form) = 0;
+
+  // Synchronous implementation to remove the given login.
+  virtual PasswordStoreChangeList RemoveLoginImpl(
+      const autofill::PasswordForm& form) = 0;
+
+  // Notifies observers that password store data may have been changed.
+  virtual void NotifyLoginsChanged(const PasswordStoreChangeList& changes) = 0;
+
+ protected:
+  virtual ~PasswordStoreSync();
+};
+
+}  // namespace password_manager
+
+#endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_SYNC_INTERFACE_H_