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

chrome/browser/extensions/api/proxy/proxy_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 "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "extensions/common/extension.h"
+#include "extensions/test/result_catcher.h"
 
 namespace extensions {
 
 namespace {
 
 const char kNoServer[] = "";
 const char kNoBypass[] = "";
 const char kNoPac[] = "";
 
 }  // namespace
@@ skipping 298 matching lines @@
       RunExtensionSubtest("proxy/events", "invalid_proxy.html")) << message_;
 }
 
 // Tests error events: PAC script parse error.
 IN_PROC_BROWSER_TEST_F(ProxySettingsApiTest, ProxyEventsParseError) {
   ASSERT_TRUE(
       RunExtensionSubtest("proxy/events", "parse_error.html")) << message_;
 }
 
 }  // namespace extensions