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

chrome/browser/apps/app_window_interactive_uitest.cc

 // Copyright 2013 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/apps/app_browsertest_util.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "extensions/browser/app_window/native_app_window.h"
+#include "extensions/test/result_catcher.h"
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/mac/mac_util.h"
 #endif
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
@@ skipping 23 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenChangeWaiter);
 };
 
 class AppWindowInteractiveTest : public extensions::PlatformAppBrowserTest {
  public:
   bool RunAppWindowInteractiveTest(const char* testName) {
     ExtensionTestMessageListener launched_listener("Launched", true);
     LoadAndLaunchPlatformApp("window_api_interactive", &launched_listener);
 
-    ResultCatcher catcher;
+    extensions::ResultCatcher catcher;
     launched_listener.Reply(testName);
 
     if (!catcher.GetNextResult()) {
       message_ = catcher.message();
       return false;
     }
 
     return true;
   }
 
@@ skipping 386 matching lines @@
   ASSERT_TRUE(RunAppWindowInteractiveTest("testCreate")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(AppWindowInteractiveTest, MAYBE_TestShow) {
   ASSERT_TRUE(RunAppWindowInteractiveTest("testShow")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(AppWindowInteractiveTest, TestDrawAttention) {
   ASSERT_TRUE(RunAppWindowInteractiveTest("testDrawAttention")) << message_;
 }