Apply default wallpaper from customization manifest.

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 76d675d85cf5a1eb0cc0c727183a06a20a09bee6..c81e3863aeb174bdde755f967ea6f14f48ce3794 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/login_display_host_impl.cc
@@ -48,6 +48,7 @@
 #include "chrome/browser/chromeos/login/webui_login_view.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/mobile_config.h"
+#include "chrome/browser/chromeos/net/delay_network_call.h"
 #include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
@@ -1210,6 +1211,11 @@ void ShowLoginWizard(const std::string& first_screen_name) {
     display_host->StartSignInScreen(LoginScreenContext());
     return;
   }
+  if (StartupUtils::IsEulaAccepted())

[Nikita (slow), 2014/04/17 05:23:34]

Just FYI, this call will only be called in one case:

1. user goes through out-of-box
2. there's a blocking update
3. restart after update happens
4. since out-of-box is not ended, this branch will be executed.

[Alexander Alekseev, 2014/04/17 14:34:39]

Thank you.
I should move this call before  if (show_login_screen) {...} .

+    DelayNetworkCall(
+        ServicesCustomizationDocument::GetInstance()
+            ->EnsureCustomizationAppliedClosure(),
+        base::TimeDelta::FromMilliseconds(kDefaultNetworkRetryDelayMS));
 
   // Load startup manifest.
   const chromeos::StartupCustomizationDocument* startup_manifest =