Convert a few components from scoped_ptr to std::unique_ptr

components/storage_monitor/portable_device_watcher_win.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.
 //
 // Any tasks that communicates with the portable device may take >100ms to
 // complete. Those tasks should be run on an blocking thread instead of the
 // UI thread.
 
 #include "components/storage_monitor/portable_device_watcher_win.h"
 
@@ skipping 397 matching lines @@
   base::win::ScopedComPtr<IPortableDeviceManager> portable_device_mgr;
   if (!GetPortableDeviceManager(&portable_device_mgr))
     return false;
 
   // Get the total number of devices found on the system.
   DWORD pnp_device_count = 0;
   HRESULT hr = portable_device_mgr->GetDevices(NULL, &pnp_device_count);
   if (FAILED(hr))
     return false;
 
-  scoped_ptr<base::char16*[]> pnp_device_ids(
+  std::unique_ptr<base::char16*[]> pnp_device_ids(
       new base::char16*[pnp_device_count]);
   hr = portable_device_mgr->GetDevices(pnp_device_ids.get(), &pnp_device_count);
   if (FAILED(hr))
     return false;
 
   for (DWORD index = 0; index < pnp_device_count; ++index) {
     PortableDeviceWatcherWin::DeviceDetails device_details;
     if (GetDeviceInfoOnBlockingThread(portable_device_mgr.get(),
                                       pnp_device_ids[index], &device_details))
       devices->push_back(device_details);
@@ skipping 238 matching lines @@
     if (storage_notifications_) {
       storage_notifications_->ProcessDetach(
           storage_map_iter->second.device_id());
     }
     storage_map_.erase(storage_map_iter);
   }
   device_map_.erase(device_iter);
 }
 
 }  // namespace storage_monitor