Remove unused arc::IsArcAppSticky method

Bug: 1110502
Change-Id: Ic9d0993afdbf55b64d8475ecf104aebb5a78012d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2335397
Auto-Submit: Dan S <danan@chromium.org>
Reviewed-by: Long Cheng <lgcheng@google.com>
Commit-Queue: Long Cheng <lgcheng@google.com>
Cr-Commit-Position: refs/heads/master@{#794209}

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

@@ -709,16 +709,6 @@ std::string ArcPackageNameToAppId(const std::string& package_name,
   return arc_prefs->GetAppIdByPackageName(package_name);
 }
 
-bool IsArcAppSticky(const std::string& app_id, Profile* profile) {
-  ArcAppListPrefs* arc_prefs = ArcAppListPrefs::Get(profile);
-  std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
-      arc_prefs->GetApp(app_id);
-
-  DCHECK(app_info) << "Couldn't retrieve ARC package name for AppID: "
-                   << app_id;
-  return app_info->sticky;
-}
-
 void AddAppLaunchObserver(content::BrowserContext* context,
                           AppLaunchObserver* observer) {
   class ProfileDestroyedObserver : public ProfileObserver {

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

@@ -210,11 +210,6 @@ std::string AppIdToArcPackageName(const std::string& app_id, Profile* profile);
 std::string ArcPackageNameToAppId(const std::string& package_name,
                                   Profile* profile);
 
-// Returns true if the ARC app is sticky (not uninstallable). This function
-// will DCHECK if app_id isn't installed. This functionality should eventually
-// move to the App Service: (https://crbug.com/948408).
-bool IsArcAppSticky(const std::string& app_id, Profile* profile);
-
 // Add/remove an observer to be notified of app launches.
 void AddAppLaunchObserver(content::BrowserContext* context,
                           AppLaunchObserver* observer);