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

chrome/browser/bookmarks/bookmark_prompt_prefs.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 "chrome/browser/bookmarks/bookmark_prompt_prefs.h"
 
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/prefs/pref_registry_syncable.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 
 BookmarkPromptPrefs::BookmarkPromptPrefs(PrefServiceBase* user_prefs)
     : prefs_(user_prefs) {
 }
 
 BookmarkPromptPrefs::~BookmarkPromptPrefs() {
 }
 
 void BookmarkPromptPrefs::DisableBookmarkPrompt() {
@@ skipping 15 matching lines @@
 
 // static
 void BookmarkPromptPrefs::RegisterUserPrefs(PrefRegistrySyncable* registry) {
   // We always register preferences without checking FieldTrial, because
   // we may not receive field trial list from the server yet.
   registry->RegisterBooleanPref(prefs::kBookmarkPromptEnabled, true,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterIntegerPref(prefs::kBookmarkPromptImpressionCount, 0,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
 }