Rename --enable-default-media-session to --enable-audio-focus.

content/browser/media/session/audio_focus_manager_unittest.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 "content/browser/media/session/audio_focus_manager.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "content/browser/media/session/media_session_impl.h"
 #include "content/browser/media/session/media_session_player_observer.h"
@@ skipping 21 matching lines @@
 
 using AudioFocusType = AudioFocusManager::AudioFocusType;
 using SuspendType = MediaSession::SuspendType;
 
 class AudioFocusManagerTest : public testing::Test {
  public:
   AudioFocusManagerTest() = default;
 
   void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kEnableDefaultMediaSession);
+        switches::kEnableAudioFocus);
     rph_factory_.reset(new MockRenderProcessHostFactory());
     SiteInstanceImpl::set_render_process_host_factory(rph_factory_.get());
     browser_context_.reset(new TestBrowserContext());
     pepper_observer_.reset(new MockMediaSessionPlayerObserver());
   }
 
   void TearDown() override {
     // Run pending tasks.
     base::RunLoop().RunUntilIdle();
 
@@ skipping 400 matching lines @@
   ASSERT_EQ(media_session_3, GetAudioFocusedSession());
   ASSERT_TRUE(media_session_2->IsSuspended());
   ASSERT_TRUE(media_session_1->IsActive());
   ASSERT_TRUE(IsSessionDucking(media_session_1));
 
   AbandonAudioFocus(media_session_3);
   ASSERT_EQ(media_session_1, GetAudioFocusedSession());
 }
 
 }  // namespace content