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

chrome/browser/devtools/devtools_file_helper.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/devtools/devtools_file_helper.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/md5.h"
+#include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "base/value_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_prefs.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 363 matching lines @@
 void DevToolsFileHelper::RemoveFileSystem(const std::string& file_system_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FilePath path = FilePath::FromUTF8Unsafe(file_system_path);
   isolated_context()->RevokeFileSystemByPath(path);
 
   DictionaryPrefUpdate update(profile_->GetPrefs(),
                               prefs::kDevToolsFileSystemPaths);
   DictionaryValue* file_systems_paths_value = update.Get();
   file_systems_paths_value->RemoveWithoutPathExpansion(file_system_path, NULL);
 }