Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/cocoa/content_settings_dialog_controller_unittest.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/cocoa/content_settings_dialog_controller.h"
 
 #import "base/scoped_nsobject.h"
 #include "base/ref_counted.h"
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #include "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/host_content_settings_map.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
-#include "chrome/browser/pref_service.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace {
 
 class ContentSettingsDialogControllerTest : public CocoaTest {
  public:
   virtual void SetUp() {
     CocoaTest::SetUp();
@@ skipping 234 matching lines @@
   EXPECT_EQ(setting, CONTENT_SETTING_ASK);
 
   [controller_ setNotificationsSettingIndex:kNotificationsDisabledIndex];
   setting =
       notificationsService_->GetDefaultContentSetting();
   EXPECT_EQ(setting, CONTENT_SETTING_BLOCK);
 }
 
 }  // namespace