Make ToolbarActionsModel own ComponentToolbarActionsFactory

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/toolbar_action_view_controller.h"
+#include "chrome/browser/ui/toolbar/toolbar_actions_bar.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(
+    Profile* profile,
+    extensions::ComponentMigrationHelper::ComponentActionDelegate*
+        action_delegate)
+    : migration_helper_(profile, action_delegate), profile_(profile) {}
 ComponentToolbarActionsFactory::~ComponentToolbarActionsFactory() {}
 
-// static
-ComponentToolbarActionsFactory* ComponentToolbarActionsFactory::GetInstance() {
-  return testing_factory_ ? testing_factory_ : &lazy_factory.Get();
+std::set<std::string> ComponentToolbarActionsFactory::GetInitialComponentIds() {
+  return initial_ids_;
 }
 
-std::set<std::string> ComponentToolbarActionsFactory::GetInitialComponentIds(
-    Profile* profile) {
-  std::set<std::string> component_ids;
-  return component_ids;
+void ComponentToolbarActionsFactory::OnAddComponentActionBeforeInit(
+    const std::string& action_id) {
+  initial_ids_.insert(action_id);
+}
+
+void ComponentToolbarActionsFactory::OnRemoveComponentActionBeforeInit(
+    const std::string& action_id) {
+  initial_ids_.erase(action_id);
 }
 
 std::unique_ptr<ToolbarActionViewController>
 ComponentToolbarActionsFactory::GetComponentToolbarActionForId(
-    const std::string& id,
+    const std::string& action_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)
+  if (action_id == kMediaRouterActionId)
     return std::unique_ptr<ToolbarActionViewController>(
         new MediaRouterAction(browser, bar));
 #endif  // defined(ENABLE_MEDIA_ROUTER)
 
   NOTREACHED();
   return std::unique_ptr<ToolbarActionViewController>();
 }
 
-// static
-void ComponentToolbarActionsFactory::SetTestingFactory(
-    ComponentToolbarActionsFactory* factory) {
-  testing_factory_ = factory;
+void ComponentToolbarActionsFactory::RegisterComponentMigrations() {
+  migration_helper_.Register(kMediaRouterActionId, kCastExtensionId);
+  migration_helper_.Register(kMediaRouterActionId, kCastBetaExtensionId);
 }
 
-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);
+void ComponentToolbarActionsFactory::HandleComponentMigrations() {
+  if (media_router::MediaRouterEnabled(profile_)) {

[msw, 2017/01/10 23:23:59]

optional nit: curlies not needed

[takumif, 2017/02/17 03:22:51]

Removed migration-related code.

+    migration_helper_.OnFeatureEnabled(kMediaRouterActionId);
   } else {
-    helper->OnFeatureDisabled(kMediaRouterActionId);
+    migration_helper_.OnFeatureDisabled(kMediaRouterActionId);
   }
 }
-