Add Sync datatype for shared managed user settings.

sync/internal_api/base_node.cc

 // Copyright (c) 2012 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 "sync/internal_api/public/base_node.h"
 
 #include <stack>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 306 matching lines @@
     BaseNode::GetManagedUserSettingSpecifics() const {
   DCHECK_EQ(GetModelType(), MANAGED_USER_SETTINGS);
   return GetEntitySpecifics().managed_user_setting();
 }
 
 const sync_pb::ManagedUserSpecifics& BaseNode::GetManagedUserSpecifics() const {
   DCHECK_EQ(GetModelType(), MANAGED_USERS);
   return GetEntitySpecifics().managed_user();
 }
 
+const sync_pb::ManagedUserSharedSettingSpecifics&
+    BaseNode::GetManagedUserSharedSettingSpecifics() const {
+  DCHECK_EQ(GetModelType(), MANAGED_USER_SHARED_SETTINGS);
+  return GetEntitySpecifics().managed_user_shared_setting();
+}
+
 const sync_pb::DeviceInfoSpecifics& BaseNode::GetDeviceInfoSpecifics() const {
   DCHECK_EQ(GetModelType(), DEVICE_INFO);
   return GetEntitySpecifics().device_info();
 }
 
 const sync_pb::ExperimentsSpecifics& BaseNode::GetExperimentsSpecifics() const {
   DCHECK_EQ(GetModelType(), EXPERIMENTS);
   return GetEntitySpecifics().experiments();
 }
 
@@ skipping 15 matching lines @@
     const sync_pb::EntitySpecifics& specifics) {
   ModelType type = GetModelTypeFromSpecifics(specifics);
   DCHECK_NE(UNSPECIFIED, type);
   if (GetModelType() != UNSPECIFIED) {
     DCHECK_EQ(GetModelType(), type);
   }
   unencrypted_data_.CopyFrom(specifics);
 }
 
 }  // namespace syncer