Convert Pass()→std::move() on Windows

chrome/installer/util/firewall_manager_win.cc

Index: chrome/installer/util/firewall_manager_win.cc
diff --git a/chrome/installer/util/firewall_manager_win.cc b/chrome/installer/util/firewall_manager_win.cc
index 8c517bd98e77ff7e1c508568e7668d0f11858cb1..bec05ca3d209dfb746f494f3fce26bd4394b6dc9 100644
--- a/chrome/installer/util/firewall_manager_win.cc
+++ b/chrome/installer/util/firewall_manager_win.cc
@@ -6,6 +6,8 @@
 
 #include <stdint.h>
 
+#include <utility>
+
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ -108,15 +110,15 @@ scoped_ptr<FirewallManager> FirewallManager::Create(
   scoped_ptr<FirewallManagerAdvancedImpl> manager(
       new FirewallManagerAdvancedImpl());
   if (manager->Init(dist->GetDisplayName(), chrome_path))
-    return manager.Pass();
+    return std::move(manager);
 
   // Next try to connect to "Windows Firewall for Windows XP with SP2".
   scoped_ptr<FirewallManagerLegacyImpl> legacy_manager(
       new FirewallManagerLegacyImpl());
   if (legacy_manager->Init(dist->GetDisplayName(), chrome_path))
-    return legacy_manager.Pass();
+    return std::move(legacy_manager);
 
-  return scoped_ptr<FirewallManager>();
+  return nullptr;
 }
 
 FirewallManager::FirewallManager() {