Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/password_manager/native_backend_gnome_x_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 <stdarg.h>
 
 #include "base/basictypes.h"
+#include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/password_manager/native_backend_gnome_x.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 using content::PasswordForm;
 
 namespace {
 
@@ skipping 871 matching lines @@
     RunBothThreads();
 
     // The other two copies of the password in different profiles should remain.
     EXPECT_EQ(2u, mock_keyring_items.size());
     if (mock_keyring_items.size() > 0)
       CheckMockKeyringItem(&mock_keyring_items[0], form_google_, "chrome");
     if (mock_keyring_items.size() > 1)
       CheckMockKeyringItem(&mock_keyring_items[1], form_google_, "chrome-42");
   }
 }