Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/search/history_data.cc

 // Copyright 2013 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 "ui/app_list/search/history_data.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 79 matching lines @@
       std::find(secondary.begin(), secondary.end(), result_id);
   if (secondary_it != secondary.end())
     secondary.erase(secondary_it);
 
   secondary.push_back(result_id);
   if (secondary.size() > max_secondary_)
     secondary.pop_front();
   store_->SetSecondary(query, secondary);
 }
 
-scoped_ptr<KnownResults> HistoryData::GetKnownResults(
+std::unique_ptr<KnownResults> HistoryData::GetKnownResults(
     const std::string& query) const {
-  scoped_ptr<KnownResults> results(new KnownResults);
+  std::unique_ptr<KnownResults> results(new KnownResults);
   for (Associations::const_iterator assoc_it = associations_.lower_bound(query);
        assoc_it != associations_.end();
        ++assoc_it) {
     // Break out of the loop if |query| is no longer a prefix.
     if (assoc_it->first.size() < query.size() ||
         strncmp(assoc_it->first.c_str(), query.c_str(), query.length()) != 0) {
       break;
     }
 
     const bool perfect = assoc_it->first == query;
@@ skipping 21 matching lines @@
 }
 
 void HistoryData::AddObserver(HistoryDataObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void HistoryData::RemoveObserver(HistoryDataObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
-void HistoryData::OnStoreLoaded(scoped_ptr<Associations> loaded_data) {
+void HistoryData::OnStoreLoaded(std::unique_ptr<Associations> loaded_data) {
   if (loaded_data)
     loaded_data->swap(associations_);
 
   FOR_EACH_OBSERVER(
       HistoryDataObserver, observers_, OnHistoryDataLoadedFromStore());
 }
 
 void HistoryData::TrimEntries() {
   if (associations_.size() <= max_primary_)
     return;
@@ skipping 12 matching lines @@
                     &EntrySortByTimeAscending);
 
   for (size_t i = 0; i < entries_to_remove; ++i) {
     const std::string& query = *entries[i].query;
     store_->Delete(query);
     associations_.erase(query);
   }
 }
 
 }  // namespace app_list