Replace scoped_ptr with std::unique_ptr in //media/base.

content/browser/media/session/media_session_delegate_android_browsertest.cc

 // Copyright 2016 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 <memory>
+
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "content/browser/media/session/media_session.h"
 #include "content/browser/media/session/mock_media_session_observer.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/shell/browser/shell.h"
 
 namespace content {
 
 class MediaSessionDelegateAndroidBrowserTest : public ContentBrowserTest {};
 
 // MAYBE_OnAudioFocusChangeAfterDtorCrash will hit a DCHECK before the crash, it
 // is the only way found to actually reproduce the crash so as a result, the
 // test will only run on builds without DCHECK's.
 #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
 // TODO(crbug.com/602787) The test is flaky, disabling it everywhere.
 #define MAYBE_OnAudioFocusChangeAfterDtorCrash \
   DISABLED_OnAudioFocusChangeAfterDtorCrash
 #else
 #define MAYBE_OnAudioFocusChangeAfterDtorCrash \
   DISABLED_OnAudioFocusChangeAfterDtorCrash
 #endif
 
 IN_PROC_BROWSER_TEST_F(MediaSessionDelegateAndroidBrowserTest,
                        MAYBE_OnAudioFocusChangeAfterDtorCrash) {
-  scoped_ptr<MockMediaSessionObserver> media_session_observer(
+  std::unique_ptr<MockMediaSessionObserver> media_session_observer(
       new MockMediaSessionObserver);
 
   MediaSession* media_session = MediaSession::Get(shell()->web_contents());
   ASSERT_TRUE(media_session);
 
   WebContents* other_web_contents = CreateBrowser()->web_contents();
   MediaSession* other_media_session = MediaSession::Get(other_web_contents);
   ASSERT_TRUE(other_media_session);
 
   media_session_observer->StartNewPlayer();
@@ skipping 14 matching lines @@
   // to the listeners. If the bug is still present, it will crash.
   {
     base::RunLoop run_loop;
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE, run_loop.QuitClosure(), base::TimeDelta::FromSeconds(1));
     run_loop.Run();
   }
 }
 
 }  // namespace content