Initial commit of sync engine code to browser/sync....

chrome/browser/sync/util/user_settings-posix.cc

+// Copyright (c) 2009 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 entry.
+
+// Implement the storage of service tokens in memory
+
+#include "chrome/browser/sync/util/user_settings.h"
+
+namespace browser_sync {
+
+void UserSettings::ClearAllServiceTokens() {
+  service_tokens_.clear();
+}
+
+void UserSettings::SetAuthTokenForService(const string& email,
+    const string& service_name, const string& long_lived_service_token) {
+  service_tokens_[service_name] = long_lived_service_token;
+}
+
+bool UserSettings::GetLastUserAndServiceToken(const string& service_name,
+                                              string* username,
+                                              string* service_token) {
+  ServiceTokenMap::const_iterator iter = service_tokens_.find(service_name);
+
+  if (iter != service_tokens_.end()) {
+    *username = email_;
+    *service_token = iter->second;
+    return true;
+  }
+
+  return false;
+}
+
+}  // namespace browser_sync