arc-app-launcher: Minimal support for ARC app launcher.

chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.cc

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.cc b/chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e6051ca35f533ef2331e1d34eaebcfa4e54e6a60
--- /dev/null
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs_factory.cc
@@ -0,0 +1,45 @@
+// Copyright 2015 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/app_list/arc/arc_app_list_prefs_factory.h"
+
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "content/public/browser/browser_context.h"
+
+// static
+ArcAppListPrefs* ArcAppListPrefsFactory::GetForBrowserContext(
+    content::BrowserContext* context) {
+  return static_cast<ArcAppListPrefs*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+}
+
+// static
+ArcAppListPrefsFactory* ArcAppListPrefsFactory::GetInstance() {
+  return base::Singleton<ArcAppListPrefsFactory>::get();
+}
+
+ArcAppListPrefsFactory::ArcAppListPrefsFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ArcAppListPrefs",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+ArcAppListPrefsFactory::~ArcAppListPrefsFactory() {
+}
+
+KeyedService* ArcAppListPrefsFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+  return ArcAppListPrefs::Create(profile->GetPath(), profile->GetPrefs());
+}
+
+content::BrowserContext* ArcAppListPrefsFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  // This matches the logic in ExtensionSyncServiceFactory, which uses the
+  // orginal browser context.
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}