Using separate directories based on LifetimeType.

components/offline_pages/client_policy_controller.cc

+// Copyright 2016 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 "components/offline_pages/client_policy_controller.h"
+
+#include <utility>
+
+#include "base/time/time.h"
+
+using LifetimeType = offline_pages::LifetimePolicy::LifetimeType;
+
+namespace offline_pages {
+
+namespace {
+  OfflinePageClientPolicy TranslateToPolicy(
+      std::string name_space,
+      LifetimeType lifetime_type,
+      base::TimeDelta expire_period,
+      int64_t page_limit) {
+    return {name_space, {lifetime_type, expire_period, page_limit}};
+  }
+}
+
+ClientPolicyController& ClientPolicyController::GetInstance() {
+  static ClientPolicyController instance;
+  return instance;
+}
+
+OfflinePageClientPolicy ClientPolicyController::GetPolicy(
+    std::string name_space) {
+  const auto& iter = policies_.find(name_space);
+  if (iter != policies_.end()) {
+    return iter->second;
+  }
+  // Fallback when the namespace isn't defined.
+  return kDefaultClientPolicy;
+}
+
+ClientPolicyController::ClientPolicyController() {
+  policies_.clear();
+  // TODO(romax) Make here somehow more clever.
+  policies_.insert(std::make_pair("bookmark",
+      TranslateToPolicy("bookmark", LifetimeType::TEMPORARY,
+                        base::TimeDelta::FromDays(7), kUnlimitedPage)));
+  policies_.insert(std::make_pair("last_n",
+      TranslateToPolicy("last_n", LifetimeType::TEMPORARY,
+                        base::TimeDelta::FromDays(2), 20)));
+}
+
+ClientPolicyController::~ClientPolicyController() {
+}
+
+} // namespace offline_pages