BookmarkClient can add extra nodes to BookmarkModel.

chrome/browser/bookmarks/chrome_bookmark_client.cc

Index: chrome/browser/bookmarks/chrome_bookmark_client.cc
diff --git a/chrome/browser/bookmarks/chrome_bookmark_client.cc b/chrome/browser/bookmarks/chrome_bookmark_client.cc
index b57fb06f3c37ae0563662a19d708b6557b4a880a..c84fc43625b969cd2942d3711572f60d48866d08 100644
--- a/chrome/browser/bookmarks/chrome_bookmark_client.cc
+++ b/chrome/browser/bookmarks/chrome_bookmark_client.cc
@@ -12,12 +12,15 @@
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/url_database.h"
+#include "chrome/browser/policy/profile_policy_connector.h"
+#include "chrome/browser/policy/profile_policy_connector_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/user_metrics.h"
+#include "policy/policy_constants.h"
 
 namespace {
 
@@ -106,7 +109,10 @@ void ChromeBookmarkClient::RecordAction(const base::UserMetricsAction& action) {
 bool ChromeBookmarkClient::IsPermanentNodeVisible(int node_type) {
   DCHECK(node_type == BookmarkNode::BOOKMARK_BAR ||
          node_type == BookmarkNode::OTHER_NODE ||
-         node_type == BookmarkNode::MOBILE);
+         node_type == BookmarkNode::MOBILE ||
+         node_type == BookmarkNode::MANAGED);
+  if (node_type == BookmarkNode::MANAGED)
+    return false;
 #if !defined(OS_IOS)
   return node_type != BookmarkNode::MOBILE;
 #else
@@ -114,6 +120,14 @@ bool ChromeBookmarkClient::IsPermanentNodeVisible(int node_type) {
 #endif
 }
 
+std::string ChromeBookmarkClient::GetManagedBookmarksDomain() {
+  policy::ProfilePolicyConnector* connector =
+      policy::ProfilePolicyConnectorFactory::GetForProfile(profile_);
+  if (connector->IsPolicyFromCloudPolicy(policy::key::kManagedBookmarks))
+    return connector->GetManagementDomain();
+  return std::string();
+}
+
 void ChromeBookmarkClient::Observe(
     int type,
     const content::NotificationSource& source,