arc: Hide app list view on ARC app launch.

chrome/browser/ui/app_list/chrome_app_list_item.cc

 // 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/chrome_app_list_item.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "extensions/browser/app_sorting.h"
 #include "extensions/browser/extension_system.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/image/image_skia_operations.h"
 
+namespace {
+
+AppListControllerDelegate* g_controller_for_test = nullptr;
+
+} // namespace
+
+// static
+void ChromeAppListItem::OverrideAppListControllerDelegateForTesting(
+    AppListControllerDelegate* controller) {
+  g_controller_for_test = controller;
+}
+
 // static
 gfx::ImageSkia ChromeAppListItem::CreateDisabledIcon(
     const gfx::ImageSkia& icon) {
   const color_utils::HSL shift = {-1, 0, 0.6};
   return gfx::ImageSkiaOperations::CreateHSLShiftedImage(icon, shift);
 }
 
 ChromeAppListItem::ChromeAppListItem(Profile* profile,
                                      const std::string& app_id)
     : app_list::AppListItem(app_id),
@@ skipping 24 matching lines @@
 void ChromeAppListItem::UpdatePositionFromOrdering() {
   const syncer::StringOrdinal& page =
       GetAppSorting()->GetPageOrdinal(id());
   const syncer::StringOrdinal& launch =
      GetAppSorting()->GetAppLaunchOrdinal(id());
   set_position(syncer::StringOrdinal(
       page.ToInternalValue() + launch.ToInternalValue()));
 }
 
 AppListControllerDelegate* ChromeAppListItem::GetController() {
-  return AppListService::Get(chrome::GetActiveDesktop())->
-      GetControllerDelegate();
+  return g_controller_for_test != nullptr ?
+      g_controller_for_test :
+      AppListService::Get(chrome::GetActiveDesktop())->GetControllerDelegate();
 }