[Sync] Add support for enabling session sync remotely.

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 70da3a19e2d0de4d545dae269a84b726a73b321b..50666f92408f05dfa8b6b9e0611b0fb8de05f5dc 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -6,7 +6,6 @@
 
 #include <stddef.h>
 #include <map>
-#include <ostream>
 #include <set>
 #include <utility>
 
@@ -315,7 +314,6 @@ void ProfileSyncService::RegisterPreferences() {
   pref_service->RegisterStringPref(prefs::kEncryptionBootstrapToken,
                                    "",
                                    PrefService::UNSYNCABLE_PREF);
-
   pref_service->RegisterBooleanPref(prefs::kSyncAutofillProfile,
                                     enable_by_default,
                                     PrefService::UNSYNCABLE_PREF);
@@ -381,6 +379,7 @@ void ProfileSyncService::InitializeBackend(bool delete_sync_data_folder) {
 
   backend_->Initialize(
       this,
+      factory_,
       WeakHandle<JsEventHandler>(sync_js_controller_.AsWeakPtr()),
       sync_service_url_,
       initial_types,
@@ -1106,7 +1105,7 @@ void ProfileSyncService::ConfigureDataTypeManager() {
     restart = true;
     data_type_manager_.reset(
         factory_->CreateDataTypeManager(backend_.get(),
-                                        data_type_controllers_));
+                                        &data_type_controllers_));
     registrar_.Add(this,
                    chrome::NOTIFICATION_SYNC_CONFIGURE_START,
                    Source<DataTypeManager>(data_type_manager_.get()));