Enable user change background image in settings page in Aura build.

chrome/browser/ui/webui/options2/browser_options_handler2.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/options2/browser_options_handler2.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 295 matching lines @@
     { "sectionTitleInternet", IDS_OPTIONS_INTERNET_OPTIONS_GROUP_LABEL },
     { "timezone", IDS_OPTIONS_SETTINGS_TIMEZONE_DESCRIPTION },
     { "use24HourClock", IDS_OPTIONS_SETTINGS_USE_24HOUR_CLOCK_DESCRIPTION },
 #else
     { "cloudPrintConnectorEnabledManageButton",
       IDS_OPTIONS_CLOUD_PRINT_CONNECTOR_ENABLED_MANAGE_BUTTON},
     { "cloudPrintConnectorEnablingButton",
       IDS_OPTIONS_CLOUD_PRINT_CONNECTOR_ENABLING_BUTTON },
     { "proxiesConfigureButton", IDS_OPTIONS_PROXIES_CONFIGURE_BUTTON },
 #endif
+#if defined(USE_AURA)
+    { "setWallpaper", IDS_SET_WALLPAPER_BUTTON },
+#endif
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
     { "advancedSectionTitleBackground",
       IDS_OPTIONS_ADVANCED_SECTION_TITLE_BACKGROUND },
     { "backgroundModeCheckbox", IDS_OPTIONS_BACKGROUND_ENABLE_BACKGROUND_MODE },
 #endif
   };
 
   RegisterStrings(localized_strings, resources, arraysize(resources));
   RegisterCloudPrintStrings(localized_strings);
   RegisterTitle(localized_strings, "homePageOverlay",
@@ skipping 1120 matching lines @@
 }
 
 void BrowserOptionsHandler::SetupSSLConfigSettings() {
   base::FundamentalValue checked(rev_checking_enabled_.GetValue());
   base::FundamentalValue disabled(rev_checking_enabled_.IsManaged());
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.setCheckRevocationCheckboxState", checked, disabled);
 }
 
 }  // namespace options2