mac: Update clients of scoped_nsobject.h.

ui/shell_dialogs/select_file_dialog_mac.mm

Index: ui/shell_dialogs/select_file_dialog_mac.mm
diff --git a/ui/shell_dialogs/select_file_dialog_mac.mm b/ui/shell_dialogs/select_file_dialog_mac.mm
index 889376207e57cb414ed1a6c87605a2b352c1755e..15113184ca7b425b878a3c0c726690fc92b11ac3 100644
--- a/ui/shell_dialogs/select_file_dialog_mac.mm
+++ b/ui/shell_dialogs/select_file_dialog_mac.mm
@@ -17,7 +17,7 @@
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
-#import "base/memory/scoped_nsobject.h"
+#import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "grit/ui_strings.h"
@@ -100,7 +100,7 @@ class SelectFileDialogImpl : public ui::SelectFileDialog {
   virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE;
 
   // The bridge for results from Cocoa to return to us.
-  scoped_nsobject<SelectFileDialogBridge> bridge_;
+  base::scoped_nsobject<SelectFileDialogBridge> bridge_;
 
   // A map from file dialogs to the |params| user data associated with them.
   std::map<NSSavePanel*, void*> params_map_;