Move ReadFileToString to the base namespace.

chrome/browser/media_galleries/fileapi/safe_picasa_albums_indexer.cc

 // Copyright 2013 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/media_galleries/fileapi/safe_picasa_albums_indexer.h"
 
 #include "base/file_util.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 49 matching lines @@
 void SafePicasaAlbumsIndexer::ProcessFoldersBatch() {
   DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
 
   for (int i = 0; i < kPicasaINIReadBatchSize && !folders_queue_.empty(); ++i) {
     base::FilePath folder_path = folders_queue_.front();
     folders_queue_.pop();
 
     folders_inis_.push_back(FolderINIContents());
 
     bool ini_read =
-        file_util::ReadFileToString(
+        base::ReadFileToString(
             folder_path.AppendASCII(kPicasaINIFilename),
             &folders_inis_.back().ini_contents) ||
-        file_util::ReadFileToString(
+        base::ReadFileToString(
             folder_path.AppendASCII(kPicasaINIFilenameLegacy),
             &folders_inis_.back().ini_contents);
 
     // See kPicasaINIFilename declaration for details.
     if (ini_read)
       folders_inis_.back().folder_path = folder_path;
     else
       folders_inis_.pop_back();
   }
 
@@ skipping 48 matching lines @@
   IPC_BEGIN_MESSAGE_MAP(SafePicasaAlbumsIndexer, message)
     IPC_MESSAGE_HANDLER(
         ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished,
         OnIndexPicasaAlbumsContentsFinished)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 }  // namespace picasa