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

chrome/browser/ui/app_list/arc/arc_app_icon_loader.cc

 // Copyright (c) 2016 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/app_list/arc/arc_app_icon_loader.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/app_list/chrome_app_list_item.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 15 matching lines @@
     return true;
   return ArcAppListPrefs::Get(profile())->IsRegistered(app_id);
 }
 
 void ArcAppIconLoader::FetchImage(const std::string& app_id) {
   if (icon_map_.find(app_id) != icon_map_.end())
     return;  // Already loading the image.
 
   // Note, ARC icon is available only for 48x48 dips. In case |icon_size_|
   // differs from this size, re-scale is required.
-  scoped_ptr<ArcAppIcon> icon(new ArcAppIcon(profile(),
-                                             app_id,
-                                             app_list::kGridIconDimension,
-                                             this));
+  std::unique_ptr<ArcAppIcon> icon(
+      new ArcAppIcon(profile(), app_id, app_list::kGridIconDimension, this));
   icon->image_skia().EnsureRepsForSupportedScales();
   icon_map_[app_id] = std::move(icon);
   UpdateImage(app_id);
 }
 
 void ArcAppIconLoader::ClearImage(const std::string& app_id) {
   icon_map_.erase(app_id);
 }
 
 void ArcAppIconLoader::UpdateImage(const std::string& app_id) {
   AppIDToIconMap::iterator it = icon_map_.find(app_id);
   if (it == icon_map_.end())
     return;
 
-  scoped_ptr<ArcAppListPrefs::AppInfo> app_info =
+  std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
       ArcAppListPrefs::Get(profile())->GetApp(app_id);
   if (!app_info || !app_info->ready) {
     delegate()->OnAppImageUpdated(app_id,
         ChromeAppListItem::CreateDisabledIcon(it->second->image_skia()));
   } else {
     delegate()->OnAppImageUpdated(app_id, it->second->image_skia());
   }
 
 }
 
@@ skipping 10 matching lines @@
   UpdateImage(app_id);
 }
 
 void ArcAppIconLoader::OnAppIconUpdated(const std::string& app_id,
                                         ui::ScaleFactor scale_factor) {
   AppIDToIconMap::const_iterator it = icon_map_.find(app_id);
   if (it == icon_map_.end())
     return;
   it->second->LoadForScaleFactor(scale_factor);
 }