Run clang-modernize -use-nullptr over src/extensions/.

extensions/shell/browser/media_capture_util.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 "extensions/shell/browser/media_capture_util.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "content/public/browser/media_capture_devices.h"
 #include "extensions/common/permissions/permissions_data.h"
 
 using content::MediaCaptureDevices;
 using content::MediaStreamDevice;
 using content::MediaStreamDevices;
 using content::MediaStreamUI;
 
 namespace extensions {
 
 const MediaStreamDevice* GetRequestedDeviceOrDefault(
     const MediaStreamDevices& devices,
     const std::string& requested_device_id) {
   if (!requested_device_id.empty())
     return devices.FindById(requested_device_id);
 
   if (!devices.empty())
     return &devices[0];
 
-  return NULL;
+  return nullptr;
 }
 
 namespace media_capture_util {
 
 // See also Chrome's MediaCaptureDevicesDispatcher.
 void GrantMediaStreamRequest(content::WebContents* web_contents,
                              const content::MediaStreamRequest& request,
                              const content::MediaResponseCallback& callback,
                              const Extension* extension) {
   // app_shell only supports audio and video capture, not tab or screen capture.
@@ skipping 38 matching lines @@
         << "Audio capture request but no audioCapture permission in manifest.";
   } else {
     DCHECK(type == content::MEDIA_DEVICE_VIDEO_CAPTURE);
     CHECK(permissions_data->HasAPIPermission(APIPermission::kVideoCapture))
         << "Video capture request but no videoCapture permission in manifest.";
   }
 }
 
 }  // namespace media_capture_util
 }  // namespace extensions