Enable surprise me wallpaper for new profiles.

chrome/browser/chromeos/login/login_utils.cc

Index: chrome/browser/chromeos/login/login_utils.cc
diff --git a/chrome/browser/chromeos/login/login_utils.cc b/chrome/browser/chromeos/login/login_utils.cc
index 7800adaec4210045e9a9c5da0a63d19d3bee8aa6..b67175f647cd528fe04a7f6c1aa6f2d0b5c70ae0 100644
--- a/chrome/browser/chromeos/login/login_utils.cc
+++ b/chrome/browser/chromeos/login/login_utils.cc
@@ -51,6 +51,7 @@
 #include "chrome/browser/chromeos/login/supervised_user_manager.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/chromeos/login/wallpaper_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/first_run/first_run.h"
@@ -348,6 +349,14 @@ void LoginUtilsImpl::DoBrowserLaunchOnLocaleLoadedImpl(
                                 first_run,
                                 &return_code);
 
+  // If the current user is a new regular user (not including
+  // multi-profile cases) enable surprise me wallpaper by default.
+  if (UserManager::Get()->IsCurrentUserNew() &&
+      UserManager::Get()->IsLoggedInAsRegularUser() &&
+      UserManager::Get()->GetLoggedInUsers().size() == 1) {
+    WallpaperManager::Get()->EnableSurpriseMe();
+  }
+
   // Triggers app launcher start page service to load start page web contents.
   app_list::StartPageService::Get(profile);