Update chrome for new prefs location.

chrome/browser/extensions/activity_log/activity_log_enabled_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 "base/command_line.h"
-#include "base/prefs/pref_service.h"
 #include "base/run_loop.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/activity_log_private/activity_log_private_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
+#include "components/prefs/pref_service.h"
 #include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension_builder.h"
 
 #if defined OS_CHROMEOS
 #include "chrome/browser/chromeos/login/users/scoped_test_user_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #endif
 
 namespace extensions {
@@ skipping 251 matching lines @@
   EXPECT_TRUE(activity_log->IsDatabaseEnabled());
   EXPECT_EQ(0,
       profile->GetPrefs()->GetInteger(prefs::kWatchdogExtensionActive));
   EXPECT_FALSE(activity_log->IsWatchdogAppActive());
 
   // Cleanup.
   *base::CommandLine::ForCurrentProcess() = saved_cmdline_;
 }
 
 }  // namespace extensions