Support Component Actions in the toolbar.

chrome/browser/ui/toolbar/toolbar_actions_model_factory.cc

+// Copyright 2013 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/toolbar_actions_model_factory.h"
+
+#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/toolbar/toolbar_actions_model.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "extensions/browser/extension_prefs.h"
+#include "extensions/browser/extension_prefs_factory.h"
+#include "extensions/browser/extensions_browser_client.h"
+
+// static
+ToolbarActionsModel* ToolbarActionsModelFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<ToolbarActionsModel*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
+ToolbarActionsModelFactory* ToolbarActionsModelFactory::GetInstance() {
+  return Singleton<ToolbarActionsModelFactory>::get();
+}
+
+ToolbarActionsModelFactory::ToolbarActionsModelFactory()
+    : BrowserContextKeyedServiceFactory(
+        "ToolbarActionsModel",
+        BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(extensions::ExtensionPrefsFactory::GetInstance());
+  DependsOn(extensions::ExtensionActionAPI::GetFactoryInstance());
+}
+
+ToolbarActionsModelFactory::~ToolbarActionsModelFactory() {}
+
+KeyedService* ToolbarActionsModelFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new ToolbarActionsModel(Profile::FromBrowserContext(context),
+      extensions::ExtensionPrefsFactory::GetForBrowserContext(context));
+}
+
+content::BrowserContext* ToolbarActionsModelFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return context;
+}
+
+bool ToolbarActionsModelFactory::ServiceIsCreatedWithBrowserContext() const {
+  return true;
+}
+
+bool ToolbarActionsModelFactory::ServiceIsNULLWhileTesting() const {
+  return true;
+}