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

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <utility>
 
 #include "chrome/browser/password_manager/save_password_infobar_delegate.h"
 #include "chrome/browser/ui/chrome_style.h"
 #include "chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.h"
 #include "chrome/browser/ui/cocoa/infobars/infobar_cocoa.h"
@@ skipping 13 matching lines @@
       static_cast<SavePasswordInfoBarDelegate*>([self delegate]);
   gfx::Range linkRange = delegate->message_link_range();
   if (!linkRange.is_empty()) {
     NSColor* linkColor =
         skia::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
     HyperlinkTextView* view = (HyperlinkTextView*)label_.get();
     [view addLinkRange:linkRange.ToNSRange() withURL:nil linkColor:linkColor];
   }
 }
 
-scoped_ptr<infobars::InfoBar> CreateSavePasswordInfoBar
-    (scoped_ptr<SavePasswordInfoBarDelegate> delegate) {
-  scoped_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(std::move(delegate)));
+std::unique_ptr<infobars::InfoBar> CreateSavePasswordInfoBar(
+    std::unique_ptr<SavePasswordInfoBarDelegate> delegate) {
+  std::unique_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(std::move(delegate)));
   base::scoped_nsobject<SavePasswordInfobarController> controller(
       [[SavePasswordInfobarController alloc] initWithInfoBar:infobar.get()]);
   infobar->set_controller(controller);
   return std::move(infobar);
 }
 
 @end