Move ReadFileToString to the base namespace.

chrome/browser/chromeos/extensions/wallpaper_private_api.cc

 // Copyright (c) 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/chromeos/extensions/wallpaper_private_api.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/wm/mru_window_tracker.h"
@@ skipping 81 matching lines @@
 // not be found or failed to read file to string |data|. Note if the |file_name|
 // can not be found in the directory, return true with empty |data|. It is
 // expected that we may try to access file which did not saved yet.
 bool GetData(const base::FilePath& path, std::string* data) {
   base::FilePath data_dir = path.DirName();
   if (!base::DirectoryExists(data_dir) &&
       !file_util::CreateDirectory(data_dir))
     return false;
 
   return !base::PathExists(path) ||
-         file_util::ReadFileToString(path, data);
+         base::ReadFileToString(path, data);
 }
 
 class WindowStateManager;
 
 // static
 WindowStateManager* g_window_state_manager = NULL;
 
 // WindowStateManager remembers which windows have been minimized in order to
 // restore them when the wallpaper viewer is hidden.
 class WindowStateManager : public aura::WindowObserver {
@@ skipping 266 matching lines @@
                                    const base::FilePath& fallback_path) {
   DCHECK(BrowserThread::GetBlockingPool()->IsRunningSequenceOnCurrentThread(
       sequence_token_));
   std::string data;
   base::FilePath path = file_path;
 
   if (!base::PathExists(file_path))
     path = fallback_path;
 
   if (base::PathExists(path) &&
-      file_util::ReadFileToString(path, &data)) {
+      base::ReadFileToString(path, &data)) {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&WallpaperPrivateSetWallpaperIfExistsFunction::StartDecode,
                    this, data));
     return;
   }
   std::string error = base::StringPrintf(
         "Failed to set wallpaper %s from file system.",
         path.BaseName().value().c_str());
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
@@ skipping 511 matching lines @@
                  this, file_list));
 }
 
 void WallpaperPrivateGetOfflineWallpaperListFunction::OnComplete(
     const std::vector<std::string>& file_list) {
   ListValue* results = new ListValue();
   results->AppendStrings(file_list);
   SetResult(results);
   SendResponse(true);
 }