Convert Pass()→std::move() in //chrome

chrome/browser/signin/fake_signin_manager_builder.cc

Index: chrome/browser/signin/fake_signin_manager_builder.cc
diff --git a/chrome/browser/signin/fake_signin_manager_builder.cc b/chrome/browser/signin/fake_signin_manager_builder.cc
index ad1a6d48b252a62ac18bba5c28ce1e216c1d918b..b393755091ab1b62c4960d3fa581e5bbdfcd7b67 100644
--- a/chrome/browser/signin/fake_signin_manager_builder.cc
+++ b/chrome/browser/signin/fake_signin_manager_builder.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/signin/fake_signin_manager_builder.h"
 
+#include <utility>
+
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/account_tracker_service_factory.h"
@@ -20,7 +22,7 @@ scoped_ptr<KeyedService> BuildFakeSigninManagerBase(
   manager->Initialize(nullptr);
   SigninManagerFactory::GetInstance()
       ->NotifyObserversOfSigninManagerCreationForTesting(manager.get());
-  return manager.Pass();
+  return std::move(manager);
 }
 
 #if defined(OS_CHROMEOS)