Remove extension-to-component migration mechanism

chrome/browser/ui/toolbar/component_toolbar_actions_factory.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 "chrome/browser/ui/toolbar/component_toolbar_actions_factory.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
-#include "chrome/browser/extensions/component_migration_helper.h"
 #include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/toolbar/media_router_action_controller.h"
 #include "chrome/browser/ui/toolbar/toolbar_action_view_controller.h"
 #include "extensions/common/feature_switch.h"
 
 #if defined(ENABLE_MEDIA_ROUTER)
 #include "chrome/browser/ui/toolbar/media_router_action.h"
 #endif
 
 namespace {
 
 ComponentToolbarActionsFactory* testing_factory_ = nullptr;
 
 base::LazyInstance<ComponentToolbarActionsFactory> lazy_factory =
     LAZY_INSTANCE_INITIALIZER;
 
-const char kCastExtensionId[] = "boadgeojelhgndaghljhdicfkmllpafd";
-const char kCastBetaExtensionId[] = "dliochdbjfkdbacpmhlcpmleaejidimm";
-
 }  // namespace
 
 // static
 const char ComponentToolbarActionsFactory::kMediaRouterActionId[] =
     "media_router_action";
 
 ComponentToolbarActionsFactory::ComponentToolbarActionsFactory() {}
 ComponentToolbarActionsFactory::~ComponentToolbarActionsFactory() {}
 
 // static
@@ skipping 35 matching lines @@
 
   NOTREACHED();
   return std::unique_ptr<ToolbarActionViewController>();
 }
 
 // static
 void ComponentToolbarActionsFactory::SetTestingFactory(
     ComponentToolbarActionsFactory* factory) {
   testing_factory_ = factory;
 }
-
-void ComponentToolbarActionsFactory::RegisterComponentMigrations(
-    extensions::ComponentMigrationHelper* helper) const {
-  helper->Register(kMediaRouterActionId, kCastExtensionId);
-  helper->Register(kMediaRouterActionId, kCastBetaExtensionId);
-}
-
-void ComponentToolbarActionsFactory::HandleComponentMigrations(
-    extensions::ComponentMigrationHelper* helper,
-    Profile* profile) const {
-  if (media_router::MediaRouterEnabled(profile)) {
-    helper->OnFeatureEnabled(kMediaRouterActionId);
-  } else {
-    helper->OnFeatureDisabled(kMediaRouterActionId);
-  }
-}
-