Delete the auto-launch trial.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 7e325e8f708b970161f4ddaa0e24ee28af1c908f..94952ba486bbfae7ba6b3ee64849cfae17939aa4 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1601,10 +1601,6 @@ const char kRegisteredBackgroundContents[] = "background_contents.registered";
 // The "major.minor" OS version for which the welcome page was last shown.
 const char kLastWelcomedOSVersion[] = "browser.last_welcomed_os_version";
 
-// An int that stores how often we've shown the "Chrome is configured to
-// auto-launch" infobar.
-const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
-
 // Boolean that specifies whether or not showing the welcome page following an
 // OS upgrade is enabled. True by default. May be set by master_preferences or
 // overridden by the WelcomePageOnOSUpgradeEnabled policy setting.