Appropriate handling for Cellular First devices.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index d850f2edf4c4e33ad2febea0654de3a39ac48825..eeb7042c2ddbefe820a1e6264daa8cbf62d0539f 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -877,7 +877,21 @@ void WizardController::InitiateOOBEUpdate() {
     return;
   }
 
-  VLOG(1) << "InitiateOOBEUpdate";
+  // If this is a Cellular First device, instruct UpdateEngine to allow
+  // updates over cellular data connections.
+  if (chromeos::switches::IsCellularFirstDevice()) {
+    DBusThreadManager::Get()
+        ->GetUpdateEngineClient()
+        ->SetUpdateOverCellularPermission(
+            true, base::Bind(&WizardController::StartOOBEUpdate,
+                             weak_factory_.GetWeakPtr()));
+  } else {
+    StartOOBEUpdate();
+  }
+}
+
+void WizardController::StartOOBEUpdate() {
+  VLOG(1) << "StartOOBEUpdate";
   SetCurrentScreenSmooth(GetScreen(OobeScreen::SCREEN_OOBE_UPDATE), true);
   UpdateScreen::Get(this)->StartNetworkCheck();
 }