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

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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 "chrome/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 2637 matching lines @@
 const char kExpensiveBackgroundTimerThrottlingName[] =
     "Throttle expensive background timers";
 
 const char kExpensiveBackgroundTimerThrottlingDescription[] =
     "Enables intervention to limit CPU usage of background timers to 1%.";
 
 //  Enable default MediaSession flag
 
 #if !defined(OS_ANDROID)
 
-const char kEnableDefaultMediaSessionName[] = "Manage audio focus across tabs";
+const char kEnableAudioFocusName[] = "Manage audio focus across tabs";
 
-const char kEnableDefaultMediaSessionDescription[] =
+const char kEnableAudioFocusDescription[] =
     "Manage audio focus across tabs to improve the audio mixing.";
 
-const char kEnableDefaultMediaSessionDisabled[] = "Disabled";
+const char kEnableAudioFocusDisabled[] = "Disabled";
 
-const char kEnableDefaultMediaSessionEnabled[] = "Enabled";
+const char kEnableAudioFocusEnabled[] = "Enabled";
 
-const char kEnableDefaultMediaSessionEnabledDuckFlash[] =
+const char kEnableAudioFocusEnabledDuckFlash[] =
     "Enabled (Flash lowers volume when interrupted by other sound, "
     "experimental)";
 
 #endif  // !defined(OS_ANDROID)
 
 #if defined(OS_WIN)
 
 const char kGdiTextPrinting[] = "GDI Text Printing";
 
 const char kGdiTextPrintingDescription[] =
@@ skipping 455 matching lines @@
     "hard-reload.";
 
 const char kCaptureThumbnailOnLoadFinishedName[] =
     "Capture page thumbnail on load finished";
 
 const char kCaptureThumbnailOnLoadFinishedDescription[] =
     "Capture a page thumbnail (for use on the New Tab page) when the page load "
     "finishes, in addition to other times a thumbnail may be captured.";
 
 }  // namespace flag_descriptions