Stop using the MEDIASTREAM content setting.

components/content_settings/core/common/pref_names.cc

 // Copyright 2014 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 "components/content_settings/core/common/pref_names.h"
 
 namespace prefs {
 
 // Version of the pattern format used to define content settings.
 const char kContentSettingsVersion[] = "profile.content_settings.pref_version";
@@ skipping 10 matching lines @@
     "content_settings_window.last_tab_index";
 
 // Dictionary of content settings applied to all hosts by default.
 const char kDefaultContentSettings[] = "profile.default_content_settings";
 
 // Dictionary of content settings that can globally disallow all hosts by
 // default. If a value is set, it means the setting is globally disallowed.
 // If a value is not set, it means the setting is allowed.
 const char kOverrideContentSettings[] = "profile.override_content_settings";
 
+// Boolean indicating whether the media stream default setting had been
+// migrated into two separate microphone and camera settings.
+const char kMigratedDefaultMediaStreamSetting[] =
+    "profile.migrated_default_content_settings.media_stream";
+
 // Preferences that are exclusively used to store managed values for default
 // content settings.
 const char kManagedDefaultCookiesSetting[] =
     "profile.managed_default_content_settings.cookies";
 const char kManagedDefaultImagesSetting[] =
     "profile.managed_default_content_settings.images";
 const char kManagedDefaultJavaScriptSetting[] =
     "profile.managed_default_content_settings.javascript";
 const char kManagedDefaultPluginsSetting[] =
     "profile.managed_default_content_settings.plugins";
@@ skipping 31 matching lines @@
 const char kManagedPopupsBlockedForUrls[] =
     "profile.managed_popups_blocked_for_urls";
 const char kManagedNotificationsAllowedForUrls[] =
     "profile.managed_notifications_allowed_for_urls";
 const char kManagedNotificationsBlockedForUrls[] =
     "profile.managed_notifications_blocked_for_urls";
 const char kManagedAutoSelectCertificateForUrls[] =
     "profile.managed_auto_select_certificate_for_urls";
 
 }  // namespace prefs