Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/translate/chrome_ios_translate_client.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 "ios/chrome/browser/translate/chrome_ios_translate_client.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 28 matching lines @@
       translate_manager_(
           new translate::TranslateManager(this, prefs::kAcceptLanguages)),
       translate_driver_(web_state,
                         web_state->GetNavigationManager(),
                         translate_manager_.get()) {}
 
 ChromeIOSTranslateClient::~ChromeIOSTranslateClient() {
 }
 
 // static
-scoped_ptr<translate::TranslatePrefs>
+std::unique_ptr<translate::TranslatePrefs>
 ChromeIOSTranslateClient::CreateTranslatePrefs(PrefService* prefs) {
-  return scoped_ptr<translate::TranslatePrefs>(
+  return std::unique_ptr<translate::TranslatePrefs>(
       new translate::TranslatePrefs(prefs, prefs::kAcceptLanguages, nullptr));
 }
 
 translate::TranslateManager* ChromeIOSTranslateClient::GetTranslateManager() {
   return translate_manager_.get();
 }
 
 // TranslateClient implementation:
 
-scoped_ptr<infobars::InfoBar> ChromeIOSTranslateClient::CreateInfoBar(
-    scoped_ptr<translate::TranslateInfoBarDelegate> delegate) const {
+std::unique_ptr<infobars::InfoBar> ChromeIOSTranslateClient::CreateInfoBar(
+    std::unique_ptr<translate::TranslateInfoBarDelegate> delegate) const {
   translate::TranslateStep step = delegate->translate_step();
 
-  scoped_ptr<InfoBarIOS> infobar(new InfoBarIOS(std::move(delegate)));
+  std::unique_ptr<InfoBarIOS> infobar(new InfoBarIOS(std::move(delegate)));
   base::scoped_nsobject<InfoBarController> controller;
   switch (step) {
     case translate::TRANSLATE_STEP_AFTER_TRANSLATE:
       controller.reset([[AfterTranslateInfoBarController alloc]
           initWithDelegate:infobar.get()]);
       break;
     case translate::TRANSLATE_STEP_BEFORE_TRANSLATE:
       controller.reset([[BeforeTranslateInfoBarController alloc]
           initWithDelegate:infobar.get()]);
       break;
@@ skipping 36 matching lines @@
   return &translate_driver_;
 }
 
 PrefService* ChromeIOSTranslateClient::GetPrefs() {
   DCHECK(web_state());
   ios::ChromeBrowserState* chrome_browser_state =
       ios::ChromeBrowserState::FromBrowserState(web_state()->GetBrowserState());
   return chrome_browser_state->GetOriginalChromeBrowserState()->GetPrefs();
 }
 
-scoped_ptr<translate::TranslatePrefs>
+std::unique_ptr<translate::TranslatePrefs>
 ChromeIOSTranslateClient::GetTranslatePrefs() {
   DCHECK(web_state());
   ios::ChromeBrowserState* chrome_browser_state =
       ios::ChromeBrowserState::FromBrowserState(web_state()->GetBrowserState());
   return CreateTranslatePrefs(chrome_browser_state->GetPrefs());
 }
 
 translate::TranslateAcceptLanguages*
 ChromeIOSTranslateClient::GetTranslateAcceptLanguages() {
   DCHECK(web_state());
@@ skipping 14 matching lines @@
     const GURL& report_url) {
   NOTREACHED();
 }
 
 void ChromeIOSTranslateClient::WebStateDestroyed() {
   // Translation process can be interrupted.
   // Destroying the TranslateManager now guarantees that it never has to deal
   // with nullptr WebState.
   translate_manager_.reset();
 }