Metrics for measuring how much overhead reading compressed content states adds.

BUG=104293
TEST=NONE

Review URL: https://chromiumcodereview.appspot.com/9426039

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@123733 0039d316-1c4b-4281-b951-d872f2087c98
SessionService::SessionService(const FilePath& save_path)
    : BaseSessionService(SESSION_RESTORE, NULL, save_path),
      has_open_trackable_browsers_(false),
      move_on_new_browser_(false),
      save_delay_in_millis_(base::TimeDelta::FromMilliseconds(2500)),
      save_delay_in_mins_(base::TimeDelta::FromMinutes(10)),
      save_delay_in_hrs_(base::TimeDelta::FromHours(8)) {
  Init();
}

SessionService::SessionService(const FilePath& save_path)
    : BaseSessionService(SESSION_RESTORE, NULL, save_path),
      has_open_trackable_browsers_(false),
      move_on_new_browser_(false),
      save_delay_in_millis_(base::TimeDelta::FromMilliseconds(2500)),
      save_delay_in_mins_(base::TimeDelta::FromMinutes(10)),
      save_delay_in_hrs_(base::TimeDelta::FromHours(8)) {
  Init();
}
