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

content/browser/media/session/pepper_playback_observer.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/pepper_playback_observer.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
 #include "content/browser/media/session/media_session_impl.h"
 #include "content/browser/media/session/pepper_player_delegate.h"
 #include "content/common/frame_messages.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/media_content_type.h"
 #include "media/base/media_switches.h"
 
 namespace content {
 
 namespace {
 
 bool ShouldDuckFlash() {
   return base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-             switches::kEnableDefaultMediaSession) ==
-         switches::kEnableDefaultMediaSessionDuckFlash;
+             switches::kEnableAudioFocus) ==
+         switches::kEnableAudioFocusDuckFlash;
 }
 
 }  // anonymous namespace
 
 PepperPlaybackObserver::PepperPlaybackObserver(WebContents* contents)
     : contents_(contents) {}
 
 PepperPlaybackObserver::~PepperPlaybackObserver() {
   // At this point WebContents is being destructed, so it's safe to
   // call this. MediaSession may decide to send further IPC messages
@@ skipping 62 matching lines @@
   if (!players_map_.count(id))
     return;
 
   MediaSessionImpl::Get(contents_)->RemovePlayer(
       players_map_[id].get(), PepperPlayerDelegate::kPlayerId);
 
   players_map_.erase(id);
 }
 
 }  // namespace content