Replace the WAS_INSTALLED_BY_CUSTODIAN creation flag with a pref

chrome/browser/extensions/extension_sync_service.cc

Index: chrome/browser/extensions/extension_sync_service.cc
diff --git a/chrome/browser/extensions/extension_sync_service.cc b/chrome/browser/extensions/extension_sync_service.cc
index 86824c6673779da2f85b79f15c1ccf6b72c6b467..96001aa66919ab7d15c3f006b23252ae53a6788a 100644
--- a/chrome/browser/extensions/extension_sync_service.cc
+++ b/chrome/browser/extensions/extension_sync_service.cc
@@ -34,6 +34,7 @@
 #include "sync/api/sync_error_factory.h"
 
 #if defined(ENABLE_SUPERVISED_USERS)
+#include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "chrome/browser/supervised_user/supervised_user_service_factory.h"
 #endif
@@ -315,6 +316,11 @@ void ExtensionSyncService::ApplySyncData(
   // sync data, so that we don't end up notifying ourselves.
   base::AutoReset<bool> ignore_updates(&ignore_updates_, true);
 
+  if (extension_sync_data.installed_by_custodian()) {
+    extensions::util::SetWasInstalledByCustodian(extension_sync_data.id(),
+                                                profile_, true);
+  }
+
   syncer::ModelType type = extension_sync_data.is_app() ? syncer::APPS
                                                         : syncer::EXTENSIONS;
   const std::string& id = extension_sync_data.id();
@@ -503,8 +509,7 @@ void ExtensionSyncService::ApplySyncData(
             extension_sync_data.update_url(),
             extension_sync_data.version(),
             ShouldAllowInstall,
-            extension_sync_data.remote_install(),
-            extension_sync_data.installed_by_custodian())) {
+            extension_sync_data.remote_install())) {
       LOG(WARNING) << "Could not add pending extension for " << id;
       // This means that the extension is already pending installation, with a
       // non-INTERNAL location.  Add to pending_sync_data, even though it will