Don't derive from ChromeURLDataManager::DataSource, and instead have these classes implement a dele…

chrome/browser/chromeos/extensions/wallpaper_private_api.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/chromeos/extensions/wallpaper_private_api.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/wm/window_cycle_controller.h"
@@ skipping 189 matching lines @@
   SET_STRING("connectionFailed", IDS_WALLPAPER_MANAGER_ACCESS_FAIL);
   SET_STRING("downloadFailed", IDS_WALLPAPER_MANAGER_DOWNLOAD_FAIL);
   SET_STRING("downloadCanceled", IDS_WALLPAPER_MANAGER_DOWNLOAD_CANCEL);
   SET_STRING("customWallpaperWarning",
              IDS_WALLPAPER_MANAGER_SHOW_CUSTOM_WALLPAPER_ON_START_WARNING);
   SET_STRING("accessFileFailure", IDS_WALLPAPER_MANAGER_ACCESS_FILE_FAILURE);
   SET_STRING("invalidWallpaper", IDS_WALLPAPER_MANAGER_INVALID_WALLPAPER);
   SET_STRING("learnMore", IDS_LEARN_MORE);
 #undef SET_STRING
 
-  ChromeURLDataManager::DataSource::SetFontAndTextDirection(dict);
+  URLDataSource::SetFontAndTextDirection(dict);
 
   chromeos::WallpaperManager* wallpaper_manager =
       chromeos::WallpaperManager::Get();
   chromeos::WallpaperInfo info;
 
   if (wallpaper_manager->GetLoggedInUserWallpaperInfo(&info)) {
     if (info.type == chromeos::User::ONLINE)
       dict->SetString("currentWallpaper", info.file);
     else if (info.type == chromeos::User::CUSTOMIZED)
       dict->SetString("currentWallpaper", "CUSTOM");
@@ skipping 470 matching lines @@
                  this, file_list));
 }
 
 void WallpaperGetOfflineWallpaperListFunction::OnComplete(
     const std::vector<std::string>& file_list) {
   ListValue* results = new ListValue();
   results->AppendStrings(file_list);
   SetResult(results);
   SendResponse(true);
 }