mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/history_menu_bridge.mm

Index: chrome/browser/ui/cocoa/history_menu_bridge.mm
diff --git a/chrome/browser/ui/cocoa/history_menu_bridge.mm b/chrome/browser/ui/cocoa/history_menu_bridge.mm
index dcf7b8b5e75b7b609f1961edbc21760b2223f06c..0fc7438de298226f3abe0a08909b0009bb3fe3e9 100644
--- a/chrome/browser/ui/cocoa/history_menu_bridge.mm
+++ b/chrome/browser/ui/cocoa/history_menu_bridge.mm
@@ -207,12 +207,12 @@ void HistoryMenuBridge::TabRestoreServiceChanged(TabRestoreService* service) {
       item->session_id = entry_win->id;
 
       // Create the submenu.
-      scoped_nsobject<NSMenu> submenu([[NSMenu alloc] init]);
+      base::scoped_nsobject<NSMenu> submenu([[NSMenu alloc] init]);
 
       // Create standard items within the window submenu.
       NSString* restore_title = l10n_util::GetNSString(
           IDS_HISTORY_CLOSED_RESTORE_WINDOW_MAC);
-      scoped_nsobject<NSMenuItem> restore_item(
+      base::scoped_nsobject<NSMenuItem> restore_item(
           [[NSMenuItem alloc] initWithTitle:restore_title
                                      action:@selector(openHistoryMenuItem:)
                               keyEquivalent:@""]);