PyAuto: Automation hooks to get/set theme

chrome/test/pyautolib/pyautolib.cc

 // Copyright (c) 2010 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 "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/test/automation/extension_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/pyautolib/pyautolib.h"
@@ skipping 276 matching lines @@
                                             std::string& request) {
   scoped_refptr<BrowserProxy> browser_proxy =
       automation()->GetBrowserWindow(window_index);
   EXPECT_TRUE(browser_proxy.get());
   std::string response;
   if (browser_proxy.get()) {
     EXPECT_TRUE(browser_proxy->SendJSONRequest(request, &response));
   }
   return response;
 }
+
+bool PyUITestBase::ResetToDefaultTheme() {
+  return automation()->ResetToDefaultTheme();
+}