Move implementation of BrowserList onto an inner, instantiatable class, BrowserListImpl.

chrome/browser/page_cycler/page_cycler_unittest.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/file_util.h"
 #include "base/path_service.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/page_cycler/page_cycler.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/test/test_browser_thread.h"
 #include "net/base/net_errors.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 313 matching lines @@
       .WillRepeatedly(Invoke(page_cycler(),
                              &MockPageCycler::PageCyclerDidFinishLoad));
 
   for (int i = 0; i < kNumLoads; ++i)
     FinishLoad();
 
   PumpLoop();
   EXPECT_FALSE(PathExists(errors_file()));
   ASSERT_TRUE(PathExists(stats_file()));
 }