Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/content_settings/permission_queue_controller_unittest.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/content_settings/permission_queue_controller.h"
 
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/permission_request_id.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/common/content_settings_types.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/mock_render_process_host.h"
-#include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 
 // PermissionQueueControllerTests ---------------------------------------------
 
 class PermissionQueueControllerTests : public ChromeRenderViewHostTestHarness {
  protected:
   PermissionQueueControllerTests() {}
   virtual ~PermissionQueueControllerTests() {}
 
@@ skipping 68 matching lines @@
   // test checks that in the case where the controller should remain registered
   // for notifications, it gets notified exactly once."
   ObservationCountingQueueController queue_controller(profile());
   GURL url("http://www.example.com/geolocation");
   base::Callback<void(bool)> callback;
   queue_controller.CreateInfoBarRequest(RequestID(0), url, url, callback);
   queue_controller.CreateInfoBarRequest(RequestID(1), url, url, callback);
   queue_controller.CancelInfoBarRequest(RequestID(0));
   EXPECT_EQ(1, queue_controller.call_count());
 };