Decouple MediaSession messages from WebContents (full patch)

content/browser/media/session/audio_focus_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/location.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "content/browser/media/session/media_session.h"
+#include "content/browser/media/session/media_session_impl.h"
 #include "content/browser/media/session/mock_media_session_player_observer.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/shell/browser/shell.h"
 #include "media/base/media_content_type.h"
 
 namespace content {
 
 class AudioFocusDelegateAndroidBrowserTest : 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(AudioFocusDelegateAndroidBrowserTest,
                        MAYBE_OnAudioFocusChangeAfterDtorCrash) {
   std::unique_ptr<MockMediaSessionPlayerObserver> player_observer(
       new MockMediaSessionPlayerObserver);
 
-  MediaSession* media_session = MediaSession::Get(shell()->web_contents());
+  MediaSessionImpl* media_session =
+      MediaSessionImpl::Get(shell()->web_contents());
   ASSERT_TRUE(media_session);
 
   WebContents* other_web_contents = CreateBrowser()->web_contents();
-  MediaSession* other_media_session = MediaSession::Get(other_web_contents);
+  MediaSessionImpl* other_media_session =
+      MediaSessionImpl::Get(other_web_contents);
   ASSERT_TRUE(other_media_session);
 
   player_observer->StartNewPlayer();
   media_session->AddPlayer(player_observer.get(), 0,
                            media::MediaContentType::Persistent);
   EXPECT_TRUE(media_session->IsActive());
   EXPECT_FALSE(other_media_session->IsActive());
 
   player_observer->StartNewPlayer();
   other_media_session->AddPlayer(player_observer.get(), 1,
                                  media::MediaContentType::Persistent);
   EXPECT_TRUE(media_session->IsActive());
   EXPECT_TRUE(other_media_session->IsActive());
 
   shell()->CloseAllWindows();
 
   // Give some time to the AudioFocusManager to send an audioFocusChange message
   // to the listeners. If the bug is still present, it will crash.
   {
     base::RunLoop run_loop;
     base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE, run_loop.QuitClosure(), base::TimeDelta::FromSeconds(1));
     run_loop.Run();
   }
 }
 
 }  // namespace content