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

chrome/browser/ui/webui/md_downloads/downloads_list_tracker.cc

 // 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 "chrome/browser/ui/webui/md_downloads/downloads_list_tracker.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 52 matching lines @@
       break;
   }
   // Don't return a danger type string if it is NOT_DANGEROUS,
   // MAYBE_DANGEROUS_CONTENT, or USER_VALIDATED.
   NOTREACHED();
   return "";
 }
 
 // TODO(dbeam): if useful elsewhere, move to base/i18n/time_formatting.h?
 base::string16 TimeFormatLongDate(const base::Time& time) {
-  scoped_ptr<icu::DateFormat> formatter(
+  std::unique_ptr<icu::DateFormat> formatter(
       icu::DateFormat::createDateInstance(icu::DateFormat::kLong));
   icu::UnicodeString date_string;
   formatter->format(static_cast<UDate>(time.ToDoubleT() * 1000), date_string);
   return base::string16(date_string.getBuffer(),
                         static_cast<size_t>(date_string.length()));
 }
 
 }  // namespace
 
 DownloadsListTracker::DownloadsListTracker(
@@ skipping 94 matching lines @@
 DownloadsListTracker::DownloadsListTracker(
     DownloadManager* download_manager,
     content::WebUI* web_ui,
     base::Callback<bool(const DownloadItem&)> should_show)
   : main_notifier_(download_manager, this),
     web_ui_(web_ui),
     should_show_(should_show) {
   Init();
 }
 
-scoped_ptr<base::DictionaryValue> DownloadsListTracker::CreateDownloadItemValue(
+std::unique_ptr<base::DictionaryValue>
+DownloadsListTracker::CreateDownloadItemValue(
     content::DownloadItem* download_item) const {
   // TODO(asanka): Move towards using download_model here for getting status and
   // progress. The difference currently only matters to Drive downloads and
   // those don't show up on the downloads page, but should.
   DownloadItemModel download_model(download_item);
 
   // The items which are to be written into file_value are also described in
   // chrome/browser/resources/downloads/downloads.js in @typedef for
   // BackendDownloadObject. Please update it whenever you add or remove
   // any keys in file_value.
-  scoped_ptr<base::DictionaryValue> file_value(new base::DictionaryValue);
+  std::unique_ptr<base::DictionaryValue> file_value(new base::DictionaryValue);
 
   file_value->SetInteger(
       "started", static_cast<int>(download_item->GetStartTime().ToTimeT()));
   file_value->SetString(
       "since_string", ui::TimeFormat::RelativeDate(
           download_item->GetStartTime(), NULL));
   file_value->SetString(
       "date_string", TimeFormatLongDate(download_item->GetStartTime()));
 
   file_value->SetString("id", base::Uint64ToString(download_item->GetId()));
@@ skipping 202 matching lines @@
     size_t index = GetIndex(remove);
     if (index < sent_to_page_) {
       web_ui_->CallJavascriptFunction(
           "downloads.Manager.removeItem",
           base::FundamentalValue(static_cast<int>(index)));
       sent_to_page_--;
     }
   }
   sorted_items_.erase(remove);
 }