Cleanup: Pull Managed User logic out of ProfileSyncService.

chrome/browser/sync/managed_user_signin_manager_wrapper.cc

Index: chrome/browser/sync/managed_user_signin_manager_wrapper.cc
diff --git a/chrome/browser/sync/managed_user_signin_manager_wrapper.cc b/chrome/browser/sync/managed_user_signin_manager_wrapper.cc
index 6d54006aacf5e90f372c66144b595e671023cdb2..960bde5740471b84e3fedb12cfe50f22f2237be3 100644
--- a/chrome/browser/sync/managed_user_signin_manager_wrapper.cc
+++ b/chrome/browser/sync/managed_user_signin_manager_wrapper.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/profiles/profile.h"
 #include "components/signin/core/browser/signin_manager_base.h"
+#include "google_apis/gaia/gaia_constants.h"
 
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/managed_mode/managed_user_constants.h"
@@ -40,3 +41,12 @@ std::string ManagedUserSigninManagerWrapper::GetAccountIdToUse() const {
 #endif
   return auth_account;
 }
+
+std::string ManagedUserSigninManagerWrapper::GetSyncScopeToUse() const {
+#if defined(ENABLE_MANAGED_USERS)
+  const std::string& auth_account = original_->GetAuthenticatedAccountId();
+  if (auth_account.empty() && profile_->IsManaged())
+    return GaiaConstants::kChromeSyncManagedOAuth2Scope;
+#endif
+  return GaiaConstants::kChromeSyncOAuth2Scope;
+}