Use extensions::ResultCatcher; delete ExtensionApiTest::ResultCatcher.

chrome/browser/extensions/api/extension_action/page_action_apitest.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/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_icon_factory.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_action_test_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
+#include "extensions/test/result_catcher.h"
 
 using content::WebContents;
 
 namespace extensions {
 namespace {
 
 class PageActionApiTest : public ExtensionApiTest {
  protected:
   ExtensionAction* GetPageAction(const Extension& extension) {
     return ExtensionActionManager::Get(browser()->profile())->
@@ skipping 202 matching lines @@
   const std::string script =
       "window.domAutomationController.send(document.body.style."
       "backgroundColor);";
   std::string result;
   EXPECT_TRUE(content::ExecuteScriptAndExtractString(tab, script, &result));
   EXPECT_EQ(result, "red");
 }
 
 }  // namespace
 }  // namespace extensions