mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/first_run_dialog.mm

Index: chrome/browser/ui/cocoa/first_run_dialog.mm
diff --git a/chrome/browser/ui/cocoa/first_run_dialog.mm b/chrome/browser/ui/cocoa/first_run_dialog.mm
index 658495ecc29a7d2e6d62088bd81f47444e638025..29486ff6902b361785be269c16a05d13da98469e 100644
--- a/chrome/browser/ui/cocoa/first_run_dialog.mm
+++ b/chrome/browser/ui/cocoa/first_run_dialog.mm
@@ -7,8 +7,8 @@
 #include "base/bind.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
+#import "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
-#import "base/memory/scoped_nsobject.h"
 #include "base/message_loop.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/first_run/first_run.h"
@@ -91,7 +91,7 @@ bool ShowFirstRun(Profile* profile) {
       g_browser_process->local_state()->FindPreference(
           prefs::kMetricsReportingEnabled);
   if (!metrics_reporting_pref || !metrics_reporting_pref->IsManaged()) {
-    scoped_nsobject<FirstRunDialogController> dialog(
+    base::scoped_nsobject<FirstRunDialogController> dialog(
         [[FirstRunDialogController alloc] init]);
 
     [dialog.get() showWindow:nil];