[Media Router] Unload the legacy Cast extension at install

chrome/browser/ui/toolbar/toolbar_actions_model.cc

Index: chrome/browser/ui/toolbar/toolbar_actions_model.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_model.cc b/chrome/browser/ui/toolbar/toolbar_actions_model.cc
index 6d85465f625434334ac992d8c4bf380ca05b3f39..cc60cc8dff80532b8b1628c6b29c37eaf9e84b08 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_model.cc
+++ b/chrome/browser/ui/toolbar/toolbar_actions_model.cc
@@ -271,11 +271,8 @@ void ToolbarActionsModel::OnReady() {
   for (Observer& observer : observers_)
     observer.OnToolbarModelInitialized();
 
-  if (use_redesign_) {
-    component_actions_factory_->UnloadMigratedExtensions(
-        extensions::ExtensionSystem::Get(profile_)->extension_service(),
-        extension_registry_);
-  }
+  if (use_redesign_)
+    component_actions_factory_->UnloadMigratedExtensions();
 }
 
 size_t ToolbarActionsModel::FindNewPositionFromLastKnownGood(