[Sync] SyncEngine 1.5: Fix all backend references in PSS.

chrome/browser/ui/webui/options/sync_setup_handler.cc

Index: chrome/browser/ui/webui/options/sync_setup_handler.cc
diff --git a/chrome/browser/ui/webui/options/sync_setup_handler.cc b/chrome/browser/ui/webui/options/sync_setup_handler.cc
index dd7f02746a759a14ff439d56a350304fb2ea059a..ed4534e1cdfb179ffb8487c0a5a52399bb6dc8d6 100644
--- a/chrome/browser/ui/webui/options/sync_setup_handler.cc
+++ b/chrome/browser/ui/webui/options/sync_setup_handler.cc
@@ -471,7 +471,7 @@ void SyncSetupHandler::SyncStartupFailed() {
 
 void SyncSetupHandler::SyncStartupCompleted() {
   ProfileSyncService* service = GetSyncService();
-  DCHECK(service->IsBackendInitialized());
+  DCHECK(service->IsEngineInitialized());
 
   // Stop a timer to handle timeout in waiting for checking network connection.
   backend_start_timer_.reset();
@@ -515,7 +515,7 @@ void SyncSetupHandler::HandleConfigure(const base::ListValue* args) {
 
   // If the sync engine has shutdown for some reason, just close the sync
   // dialog.
-  if (!service || !service->IsBackendInitialized()) {
+  if (!service || !service->IsEngineInitialized()) {
     CloseUI();
     return;
   }
@@ -821,7 +821,7 @@ void SyncSetupHandler::DisplayConfigureSync(bool passphrase_failed) {
       GetProfile())->IsAuthenticated());
   ProfileSyncService* service = GetSyncService();
   DCHECK(service);
-  if (!service->IsBackendInitialized()) {
+  if (!service->IsEngineInitialized()) {
     service->RequestStart();
 
     // See if it's even possible to bring up the sync backend - if not
@@ -843,7 +843,7 @@ void SyncSetupHandler::DisplayConfigureSync(bool passphrase_failed) {
   // longer need a SyncStartupTracker.
   sync_startup_tracker_.reset();
   configuring_sync_ = true;
-  DCHECK(service->IsBackendInitialized())
+  DCHECK(service->IsEngineInitialized())
       << "Cannot configure sync until the sync backend is initialized";
 
   // Setup args for the sync configure screen: