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

content/browser/media/session/audio_focus_delegate_default.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_delegate.h"
 
 #include "base/command_line.h"
 #include "content/browser/media/session/audio_focus_manager.h"
 #include "media/base/media_switches.h"
 
@@ skipping 24 matching lines @@
 
 AudioFocusDelegateDefault::AudioFocusDelegateDefault(
     MediaSessionImpl* media_session)
     : media_session_(media_session) {}
 
 AudioFocusDelegateDefault::~AudioFocusDelegateDefault() = default;
 
 bool AudioFocusDelegateDefault::RequestAudioFocus(
     AudioFocusManager::AudioFocusType audio_focus_type) {
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableDefaultMediaSession)) {
+          switches::kEnableAudioFocus)) {
     return true;
   }
 
   AudioFocusManager::GetInstance()->RequestAudioFocus(media_session_,
                                                       audio_focus_type);
   return true;
 }
 
 void AudioFocusDelegateDefault::AbandonAudioFocus() {
   AudioFocusManager::GetInstance()->AbandonAudioFocus(media_session_);
 }
 
 // static
 std::unique_ptr<AudioFocusDelegate> AudioFocusDelegate::Create(
     MediaSessionImpl* media_session) {
   return std::unique_ptr<AudioFocusDelegate>(
       new AudioFocusDelegateDefault(media_session));
 }
 
 }  // namespace content