Enable Google Drive offline mode automatically on first run.

chrome/browser/chromeos/login/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/login_display_host_impl.cc b/chrome/browser/chromeos/login/login_display_host_impl.cc
index eccaf7fc5c718bec8652cd4c9777ede199a53b97..973837d21c8aa5677e360ea52a7a69a561a62101 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/login_display_host_impl.cc
@@ -25,6 +25,7 @@
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/customization_document.h"
+#include "chrome/browser/chromeos/first_run/drive_opt_in_controller.h"
 #include "chrome/browser/chromeos/first_run/first_run_controller.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
@@ -297,6 +298,17 @@ LoginDisplayHostImpl::~LoginDisplayHostImpl() {
     // completion.
     (new FirstRunController())->Start();
   }
+
+#if defined(GOOGLE_CHROME_BUILD)
+  // TODO(tengs): This should be refactored together with the first run UI.

[achuithb, 2013/11/01 19:25:15]

Can we file a bug for this?

[Tim Song, 2013/11/02 00:13:14]

I'll file the bug when this patch lands.

+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableDriveOfflineOptIn)) {
+    if (UserManager::Get()->IsCurrentUserNew()) {
+      // DriveOptInController will delete itself when finished.
+      (new DriveOptInController())->StartOfflineOptIn();
+    }
+  }
+#endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////