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

chrome/browser/extensions/chrome_extension_host_delegate.cc

 // 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/extensions/chrome_extension_host_delegate.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "components/app_modal/javascript_dialog_manager.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/load_monitoring_extension_host_queue.h"
 #include "extensions/browser/serial_extension_host_queue.h"
 
 namespace extensions {
 
 namespace {
 
 // Singleton for GetExtensionHostQueue().
 struct QueueWrapper {
   QueueWrapper() {
     queue.reset(new LoadMonitoringExtensionHostQueue(
-        scoped_ptr<ExtensionHostQueue>(new SerialExtensionHostQueue())));
+        std::unique_ptr<ExtensionHostQueue>(new SerialExtensionHostQueue())));
   }
-  scoped_ptr<ExtensionHostQueue> queue;
+  std::unique_ptr<ExtensionHostQueue> queue;
 };
 base::LazyInstance<QueueWrapper> g_queue = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 ChromeExtensionHostDelegate::ChromeExtensionHostDelegate() {}
 
 ChromeExtensionHostDelegate::~ChromeExtensionHostDelegate() {}
 
 void ChromeExtensionHostDelegate::OnExtensionHostCreated(
@@ skipping 41 matching lines @@
   return MediaCaptureDevicesDispatcher::GetInstance()
       ->CheckMediaAccessPermission(
           web_contents, security_origin, type, extension);
 }
 
 ExtensionHostQueue* ChromeExtensionHostDelegate::GetExtensionHostQueue() const {
   return g_queue.Get().queue.get();
 }
 
 }  // namespace extensions