[Sync] Fix namespaces for the browser_sync component.

chrome/browser/ui/sync/profile_signin_confirmation_helper.cc

Index: chrome/browser/ui/sync/profile_signin_confirmation_helper.cc
diff --git a/chrome/browser/ui/sync/profile_signin_confirmation_helper.cc b/chrome/browser/ui/sync/profile_signin_confirmation_helper.cc
index 3278fe21231e00a52163dba63e483c1e9ef4cf98..4211a4ac11a5ababcb5dd514cfa9bc6da2ebe6f5 100644
--- a/chrome/browser/ui/sync/profile_signin_confirmation_helper.cc
+++ b/chrome/browser/ui/sync/profile_signin_confirmation_helper.cc
@@ -96,8 +96,8 @@ void CheckShouldPromptForNewProfile(
   history::HistoryService* service =
       HistoryServiceFactory::GetForProfileWithoutCreating(profile);
   // Fire asynchronous queries for profile data.
-  sync_driver::SigninConfirmationHelper* helper =
-      new sync_driver::SigninConfirmationHelper(service, return_result);
+  browser_sync::SigninConfirmationHelper* helper =
+      new browser_sync::SigninConfirmationHelper(service, return_result);
   helper->CheckHasHistory(kHistoryEntriesBeforeNewProfilePrompt);
   helper->CheckHasTypedURLs();
 }