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

extensions/browser/load_monitoring_extension_host_queue.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 "extensions/browser/load_monitoring_extension_host_queue.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "content/public/browser/render_frame_host.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_host_observer.h"
 #include "extensions/browser/serial_extension_host_queue.h"
 
 namespace extensions {
 
 LoadMonitoringExtensionHostQueue::LoadMonitoringExtensionHostQueue(
-    scoped_ptr<ExtensionHostQueue> delegate,
+    std::unique_ptr<ExtensionHostQueue> delegate,
     base::TimeDelta monitor_time,
     const FinishedCallback& finished_callback)
     : delegate_(std::move(delegate)),
       monitor_time_(monitor_time),
       finished_callback_(finished_callback),
       started_(false),
       num_queued_(0u),
       num_loaded_(0u),
       max_awaiting_loading_(0u),
       max_active_loading_(0u),
       weak_ptr_factory_(this) {}
 
 LoadMonitoringExtensionHostQueue::LoadMonitoringExtensionHostQueue(
-    scoped_ptr<ExtensionHostQueue> delegate)
+    std::unique_ptr<ExtensionHostQueue> delegate)
     : LoadMonitoringExtensionHostQueue(std::move(delegate),
                                        base::TimeDelta::FromMinutes(1),
                                        FinishedCallback()) {}
 
 LoadMonitoringExtensionHostQueue::~LoadMonitoringExtensionHostQueue() {
 }
 
 void LoadMonitoringExtensionHostQueue::StartMonitoring() {
   if (started_) {
     return;
@@ skipping 64 matching lines @@
   UMA_HISTOGRAM_COUNTS_100(
       "Extensions.ExtensionHostMonitoring.MaxActiveLoading",
       max_active_loading_);
   if (!finished_callback_.is_null()) {
     finished_callback_.Run(num_queued_, num_loaded_, max_awaiting_loading_,
                            max_active_loading_);
   }
 }
 
 }  // namespace extensions