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

chrome/browser/ui/cocoa/autofill/autofill_dialog_view_tester_cocoa.mm

 // Copyright 2014 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 "chrome/browser/ui/cocoa/autofill/autofill_dialog_view_tester_cocoa.h"
 
 #include <stddef.h>
 
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.h"
@@ skipping 43 matching lines @@
 }
 
 - (BOOL)isShowingSection:(autofill::DialogSection)section {
   return ![[[mainContainer_ sectionForId:section] view] isHidden];
 }
 
 @end
 
 namespace autofill {
 
-scoped_ptr<AutofillDialogViewTester> AutofillDialogViewTester::For(
+std::unique_ptr<AutofillDialogViewTester> AutofillDialogViewTester::For(
     AutofillDialogView* dialog) {
-  return scoped_ptr<AutofillDialogViewTester>(
+  return std::unique_ptr<AutofillDialogViewTester>(
       new AutofillDialogViewTesterCocoa(
           static_cast<AutofillDialogCocoa*>(dialog)));
 }
 
 AutofillDialogViewTesterCocoa::AutofillDialogViewTesterCocoa(
     AutofillDialogCocoa* dialog)
     : dialog_(dialog) {}
 
 AutofillDialogViewTesterCocoa::~AutofillDialogViewTesterCocoa() {}
 
@@ skipping 48 matching lines @@
     autofill::DialogSection section) const {
   return [controller() isShowingSection:section];
 }
 
 AutofillDialogWindowController*
     AutofillDialogViewTesterCocoa::controller() const {
   return dialog_->sheet_delegate_;
 }
 
 }  // namespace autofill