Add new ExtensionManagement preference

chrome/browser/extensions/extension_management_constants.cc

+// 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.
+
+#include "chrome/browser/extensions/extension_management_constants.h"
+
+#include "base/macros.h"
+
+namespace extensions {
+namespace schema_constants {
+
+const char kWildcard[] = "*";
+
+const char kInstallationMode[] = "installation_mode";
+const char kAllowed[] = "allowed";
+const char kBlocked[] = "blocked";
+const char kForceInstalled[] = "force_installed";
+const char kNormalInstalled[] = "normal_installed";
+
+const char kUpdateUrl[] = "update_url";
+const char kInstallSources[] = "install_sources";
+const char kAllowedTypes[] = "allowed_types";
+
+const char kUpdateUrlPrefix[] = "update_url:";
+
+const AllowedTypesMapEntry kAllowedTypesMap[] = {
+  { "extension",           Manifest::TYPE_EXTENSION },
+  { "theme",               Manifest::TYPE_THEME },
+  { "user_script",         Manifest::TYPE_USER_SCRIPT },
+  { "hosted_app",          Manifest::TYPE_HOSTED_APP },
+  { "legacy_packaged_app", Manifest::TYPE_LEGACY_PACKAGED_APP },
+  { "platform_app",        Manifest::TYPE_PLATFORM_APP },
+  // TODO(binjin): Add shared_module type here and update ExtensionAllowedTypes
+  // policy.
+};
+
+const size_t kAllowedTypesMapSize = arraysize(kAllowedTypesMap);
+
+Manifest::Type GetManifestType(const std::string& name) {
+  for (size_t index = 0; index < kAllowedTypesMapSize; ++index) {
+    if (kAllowedTypesMap[index].name == name)
+      return kAllowedTypesMap[index].manifest_type;
+  }
+  return Manifest::TYPE_UNKNOWN;
+}
+
+}  // namespace schema_constants
+}  // namespace extensions