Fix crash in mediarouter

build/patches/Disable-media-router-and-remoting-by-default.patch

@@ -5,13 +5,23 @@ Subject: Disable media router and remoting by default
 Original License: MIT - https://spdx.org/licenses/MIT.html
 License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
 ---
- .../media/router/media_router_feature.cc      | 27 ++++++-------------
+ .../media/router/media_router_feature.cc      | 29 ++++++-------------
  chrome/browser/profiles/profile_impl.cc       |  2 +-
- 2 files changed, 9 insertions(+), 20 deletions(-)
+ .../media_item_ui_helper.cc                   |  3 ++
+ 3 files changed, 13 insertions(+), 21 deletions(-)
 
 diff --git a/chrome/browser/media/router/media_router_feature.cc b/chrome/browser/media/router/media_router_feature.cc
 --- a/chrome/browser/media/router/media_router_feature.cc
 +++ b/chrome/browser/media/router/media_router_feature.cc
+@@ -49,7 +49,7 @@ BASE_FEATURE(kCastAnotherContentWhileCasting,
+              "CastAnotherContentWhileCasting",
+              base::FEATURE_ENABLED_BY_DEFAULT);
+ #else
+-BASE_FEATURE(kMediaRouter, "MediaRouter", base::FEATURE_ENABLED_BY_DEFAULT);
++BASE_FEATURE(kMediaRouter, "MediaRouter", base::FEATURE_DISABLED_BY_DEFAULT);
+ BASE_FEATURE(kCastAllowAllIPsFeature,
+              "CastAllowAllIPs",
+              base::FEATURE_DISABLED_BY_DEFAULT);
 @@ -79,26 +79,15 @@ BASE_FEATURE(kGlobalMediaControlsCastStartStop,
  #endif  // BUILDFLAG(IS_CHROMEOS)
  #endif  // BUILDFLAG(IS_ANDROID)
@@ -75,5 +85,18 @@ diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/p
  #if !BUILDFLAG(IS_ANDROID)
    registry->RegisterBooleanPref(prefs::kShowCastIconInToolbar, false);
  #endif  // !BUILDFLAG(IS_ANDROID)
+diff --git a/chrome/browser/ui/views/global_media_controls/media_item_ui_helper.cc b/chrome/browser/ui/views/global_media_controls/media_item_ui_helper.cc
+--- a/chrome/browser/ui/views/global_media_controls/media_item_ui_helper.cc
++++ b/chrome/browser/ui/views/global_media_controls/media_item_ui_helper.cc
+@@ -63,6 +63,9 @@ absl::optional<media_router::MediaRoute> GetSessionRoute(
+     const std::string& item_id,
+     base::WeakPtr<media_message_center::MediaNotificationItem> item,
+     content::BrowserContext* context) {
++  if (!media_router::MediaRouterEnabled(context)) {
++    return absl::nullopt;
++  }
+   // Return absl::nullopt if the item is not a local media session.
+   if (!item || item->SourceType() !=
+                    media_message_center::SourceType::kLocalMediaSession) {
 --
 2.25.1