arc: Support window recreation.

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

Index: chrome/browser/ui/app_list/arc/arc_app_utils.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_utils.cc b/chrome/browser/ui/app_list/arc/arc_app_utils.cc
index 94e69c14130ea9285aa349d6eb9bf228ebebce1b..e299c54883060672fc871e7fdbd9036ec4d6551d 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_utils.cc
+++ b/chrome/browser/ui/app_list/arc/arc_app_utils.cc
@@ -32,16 +32,19 @@ constexpr int kMinVersion = 0;
 constexpr int kCanHandleResolutionMinVersion = 1;
 constexpr int kSendBroadcastMinVersion = 1;
 constexpr int kUninstallPackageMinVersion = 2;
+constexpr int kTaskSupportMinVersion = 3;
 constexpr int kShowPackageInfoMinVersion = 5;
 constexpr int kRemoveIconMinVersion = 9;
 constexpr int kShowPackageInfoOnPageMinVersion = 10;
 
 // Service name strings.
 constexpr char kCanHandleResolutionStr[] = "get resolution capability";
+constexpr char kCloseTaskStr[] = "close task";
 constexpr char kLaunchAppStr[] = "launch app";
+constexpr char kRemoveIconStr[] = "remove icon";
+constexpr char kSetActiveTaskStr[] = "set active task";
 constexpr char kShowPackageInfoStr[] = "show package info";
 constexpr char kUninstallPackageStr[] = "uninstall package";
-constexpr char kRemoveIconStr[] = "remove icon";
 
 // Helper function which returns the AppInstance. Create related logs when error
 // happens.
@@ -233,6 +236,22 @@ bool LaunchApp(content::BrowserContext* context,
       ->LaunchAndRelease();
 }
 
+void SetTaskActive(int task_id) {
+  arc::mojom::AppInstance* app_instance =
+      GetAppInstance(kTaskSupportMinVersion, kSetActiveTaskStr);
+  if (!app_instance)
+    return;
+  app_instance->SetTaskActive(task_id);
+}
+
+void CloseTask(int task_id) {
+  arc::mojom::AppInstance* app_instance =
+      GetAppInstance(kTaskSupportMinVersion, kCloseTaskStr);
+  if (!app_instance)
+    return;
+  app_instance->CloseTask(task_id);
+}
+
 void ShowTalkBackSettings() {
   arc::ArcBridgeService* bridge_service = arc::ArcBridgeService::Get();
   if (!bridge_service) {