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

chrome/browser/extensions/api/tab_capture/offscreen_tab.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 "chrome/browser/extensions/api/tab_capture/offscreen_tab.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 370 matching lines @@
     }
     if (request.video_type == content::MEDIA_TAB_VIDEO_CAPTURE) {
       devices.push_back(content::MediaStreamDevice(
           content::MEDIA_TAB_VIDEO_CAPTURE, std::string(), std::string()));
     }
   }
 
   DVLOG(2) << "Allowing " << devices.size()
            << " capture devices for OffscreenTab content.";
 
-  callback.Run(
-    devices,
-    devices.empty() ? content::MEDIA_DEVICE_INVALID_STATE :
-                      content::MEDIA_DEVICE_OK,
-    scoped_ptr<content::MediaStreamUI>(nullptr));
+  callback.Run(devices, devices.empty() ? content::MEDIA_DEVICE_INVALID_STATE
+                                        : content::MEDIA_DEVICE_OK,
+               std::unique_ptr<content::MediaStreamUI>(nullptr));
 }
 
 bool OffscreenTab::CheckMediaAccessPermission(
     WebContents* contents,
     const GURL& security_origin,
     content::MediaStreamType type) {
   DCHECK_EQ(offscreen_tab_web_contents_.get(), contents);
   return type == content::MEDIA_TAB_AUDIO_CAPTURE ||
       type == content::MEDIA_TAB_VIDEO_CAPTURE;
 }
@@ skipping 39 matching lines @@
 
   // Schedule the timer to check again in a second.
   capture_poll_timer_.Start(
       FROM_HERE,
       base::TimeDelta::FromSeconds(kPollIntervalInSeconds),
       base::Bind(&OffscreenTab::DieIfContentCaptureEnded,
                  base::Unretained(this)));
 }
 
 }  // namespace extensions