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 a09a56c07e6b7d68a7cedc643dd93d64728130b9..246f02470fc415b08e6c8ab004a570036521e24c 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/login_display_host_impl.cc
@@ -26,6 +26,7 @@
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.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_first_run_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"
@@ -317,6 +318,17 @@ LoginDisplayHostImpl::~LoginDisplayHostImpl() {
     // completion.
     (new FirstRunController())->Start();
   }
+
+#if defined(GOOGLE_CHROME_BUILD)
+  // TODO(tengs): This should be refactored together with the first run UI.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableDriveOfflineFirstRun)) {
+    if (UserManager::Get()->IsCurrentUserNew()) {
+      // DriveOptInController will delete itself when finished.
+      (new DriveFirstRunController())->EnableOfflineMode();
+    }
+  }
+#endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////