Split ExtensionTestObserver and move to //extensions.

chrome/browser/chromeos/login/signin/oauth2_browsertest.cc

 // Copyright 2014 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 <string>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager_factory.h"
 #include "chrome/browser/chromeos/login/signin_specifics.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
+#include "chrome/browser/extensions/chrome_extension_test_notification_observer.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "chromeos/login/auth/key.h"
@@ skipping 728 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(MergeSessionTest, XHRThrottle) {
   StartNewUserSession(false);
 
   // Wait until we get send merge session request.
   WaitForMergeSessionToStart();
 
   // Reset ExtensionBrowserTest::observer_ to the right browser object.
   Browser* browser = FindOrCreateVisibleBrowser(profile());
-  observer_.reset(new ExtensionTestNotificationObserver(browser));
+  observer_.reset(new ChromeExtensionTestNotificationObserver(browser));
 
   // Run background page tests. The tests will just wait for XHR request
   // to complete.
   extensions::ResultCatcher catcher;
 
   std::unique_ptr<ExtensionTestMessageListener> non_google_xhr_listener(
       new ExtensionTestMessageListener("non-google-xhr-received", false));
 
   // Load extension with a background page. The background page will
   // attempt to load |fake_google_page_url_| via XHR.
@@ skipping 26 matching lines @@
 
   if (!catcher.GetNextResult()) {
     std::string message = catcher.message();
     ADD_FAILURE() << "Tests failed: " << message;
   }
 
   EXPECT_TRUE(fake_google_.IsPageRequested());
 }
 
 }  // namespace chromeos