Unload old Cast extensions after initializing ToolbarActionsModel

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/extension_service.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/browser/extension_registry.h"
 #include "extensions/common/feature_switch.h"
 
 #if defined(ENABLE_MEDIA_ROUTER)
 #include "chrome/browser/ui/toolbar/media_router_action.h"
+#include "chrome/browser/ui/toolbar/media_router_action_controller.h"
 #endif
 
 namespace {
 
 ComponentToolbarActionsFactory* testing_factory_ = nullptr;
 
 base::LazyInstance<ComponentToolbarActionsFactory> lazy_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
+const char ComponentToolbarActionsFactory::kCastBetaExtensionId[] =
+    "dliochdbjfkdbacpmhlcpmleaejidimm";
+const char ComponentToolbarActionsFactory::kCastExtensionId[] =
+    "boadgeojelhgndaghljhdicfkmllpafd";
 const char ComponentToolbarActionsFactory::kMediaRouterActionId[] =
     "media_router_action";
 
 ComponentToolbarActionsFactory::ComponentToolbarActionsFactory() {}
 ComponentToolbarActionsFactory::~ComponentToolbarActionsFactory() {}
 
 // static
 ComponentToolbarActionsFactory* ComponentToolbarActionsFactory::GetInstance() {
   return testing_factory_ ? testing_factory_ : &lazy_factory.Get();
 }
 
 std::set<std::string> ComponentToolbarActionsFactory::GetInitialComponentIds(
     Profile* profile) {
   std::set<std::string> component_ids;
+#if defined(ENABLE_MEDIA_ROUTER)
   if (media_router::MediaRouterEnabled(profile) &&
       MediaRouterActionController::IsActionShownByPolicy(profile)) {
     component_ids.insert(kMediaRouterActionId);
   }
+#endif
 
   return component_ids;
 }
 
 std::unique_ptr<ToolbarActionViewController>
 ComponentToolbarActionsFactory::GetComponentToolbarActionForId(
     const std::string& id,
     Browser* browser,
     ToolbarActionsBar* bar) {
   // This is currently behind the extension-action-redesign flag, as it is
   // designed for the new toolbar.
   DCHECK(extensions::FeatureSwitch::extension_action_redesign()->IsEnabled());
 
   // Add component toolbar actions here.
   // This current design means that the ComponentToolbarActionsFactory is aware
   // of all actions. Since we should *not* have an excessive amount of these
   // (since each will have an action in the toolbar or overflow menu), this
   // should be okay. If this changes, we should rethink this design to have,
   // e.g., RegisterChromeAction().
 #if defined(ENABLE_MEDIA_ROUTER)
   if (id == kMediaRouterActionId)
     return std::unique_ptr<ToolbarActionViewController>(
         new MediaRouterAction(browser, bar));
 #endif  // defined(ENABLE_MEDIA_ROUTER)
 
   NOTREACHED();
   return std::unique_ptr<ToolbarActionViewController>();
 }
 
+void ComponentToolbarActionsFactory::UnloadMigratedExtensions(
+    ExtensionService* service,
+    extensions::ExtensionRegistry* registry) {
+  // TODO(takumif): Replace the unloading of Cast and Cast Beta extensions with
+  // uninstallation.
+  UnloadExtension(service, registry, kCastExtensionId);
+  UnloadExtension(service, registry, kCastBetaExtensionId);
+}
+
 // static
 void ComponentToolbarActionsFactory::SetTestingFactory(
     ComponentToolbarActionsFactory* factory) {
   testing_factory_ = factory;
 }
+
+void ComponentToolbarActionsFactory::UnloadExtension(
+    ExtensionService* service,
+    extensions::ExtensionRegistry* registry,
+    const std::string& extension_id) {
+  if (registry->enabled_extensions().Contains(extension_id)) {
+    service->UnloadExtension(
+        extension_id,
+        extensions::UnloadedExtensionInfo::REASON_MIGRATED_TO_COMPONENT);
+  }
+}