Move UI specific implementation from ProfileSyncService to SyncSetupFlowHandler.

chrome/browser/sync/sync_setup_wizard.cc

Index: chrome/browser/sync/sync_setup_wizard.cc
diff --git a/chrome/browser/sync/sync_setup_wizard.cc b/chrome/browser/sync/sync_setup_wizard.cc
index b8dc3dd27d94d098911a45d81cdf6818a39a8a12..18315e1bd0b154d57f7482152c2e2d8c5369c072 100644
--- a/chrome/browser/sync/sync_setup_wizard.cc
+++ b/chrome/browser/sync/sync_setup_wizard.cc
@@ -83,6 +83,18 @@ void SyncSetupWizard::Focus() {
     flow->Focus();
 }
 
+void SyncSetupWizard::ShowSyncSetup(State state) {
+  SyncSetupFlow* flow = flow_container_->get_flow();
+  if (flow) {
+    flow->Focus();
+    return;
+  }
+  Step(state);
+  flow = flow_container_->get_flow();
+  if (flow)
+    flow->ShowSyncSetup();
+}
+
 SyncSetupFlow* SyncSetupWizard::AttachSyncSetupHandler(
     SyncSetupFlowHandler* handler) {
   SyncSetupFlow* flow = flow_container_->get_flow();