Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm

Index: chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm
diff --git a/chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm b/chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm
index bf5642ce0622ee9303b4512533557ae8559c5ff8..b8ccdfadcb15a0bfcb90413ed0f2d93da8c1d224 100644
--- a/chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm
+++ b/chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.mm
@@ -147,9 +147,9 @@
 
 @end
 
-scoped_ptr<infobars::InfoBar> InfoBarService::CreateConfirmInfoBar(
-    scoped_ptr<ConfirmInfoBarDelegate> delegate) {
-  scoped_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(std::move(delegate)));
+std::unique_ptr<infobars::InfoBar> InfoBarService::CreateConfirmInfoBar(
+    std::unique_ptr<ConfirmInfoBarDelegate> delegate) {
+  std::unique_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(std::move(delegate)));
   base::scoped_nsobject<ConfirmInfoBarController> controller(
       [[ConfirmInfoBarController alloc] initWithInfoBar:infobar.get()]);
   infobar->set_controller(controller);