arc: Support pinned apps across Arc-enabled and Arc-disabled platforms.

chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc

Index: chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc
diff --git a/chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc b/chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc
index 27a0acdc8dd0248b15d540ed0273b2b8a05aa76f..dd4aa56af9c935f83c9a7b1c2f93fcde5d81d9e5 100644
--- a/chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc
+++ b/chrome/browser/ui/ash/launcher/launcher_context_menu_unittest.cc
@@ -35,7 +35,14 @@ class LauncherContextMenuTest : public ash::test::AshTestBase {
   void SetUp() override {
     arc_test_.SetUp(profile_.get());
     ash::test::AshTestBase::SetUp();
-    controller_.reset(new ChromeLauncherController(profile(), &shelf_model_));
+
+    ash::ShelfItem app_list;
+    app_list.type = ash::TYPE_APP_LIST;
+    shelf_model_.Add(app_list);
+
+    controller_.reset(new ChromeLauncherController(
+        profile(), ash::Shell::GetInstance()->shelf_model()));
+    controller_->Init();
   }
 
   void TearDown() override {