Remove --disable-app-shims.

App shims have been enabled by default for 3 milestones
(since r242711).

BUG=350161

Review URL: https://codereview.chromium.org/298953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272786 0039d316-1c4b-4281-b951-d872f2087c98
AppShortcutManager::~AppShortcutManager() {
  if (g_browser_process && is_profile_info_cache_observer_) {
    ProfileManager* profile_manager = g_browser_process->profile_manager();
    if (profile_manager)
      profile_manager->GetProfileInfoCache().RemoveObserver(this);
  }
}

AppShortcutManager::~AppShortcutManager() {
  if (g_browser_process && is_profile_info_cache_observer_) {
    ProfileManager* profile_manager = g_browser_process->profile_manager();
    if (profile_manager)
      profile_manager->GetProfileInfoCache().RemoveObserver(this);
  }
}
