Move ReadFileToString to the base namespace.

printing/backend/cups_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 "printing/backend/cups_helper.h"
 
 #include <cups/ppd.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 17 matching lines @@
 const char kHighGray[] = "High.Gray";
 
 const char kDuplex[] = "Duplex";
 const char kDuplexNone[] = "None";
 
 #if !defined(OS_MACOSX)
 void ParseLpOptions(const base::FilePath& filepath,
                     const std::string& printer_name,
                     int* num_options, cups_option_t** options) {
   std::string content;
-  if (!file_util::ReadFileToString(filepath, &content))
+  if (!base::ReadFileToString(filepath, &content))
     return;
 
   const char kDest[] = "dest";
   const char kDefault[] = "default";
   const size_t kDestLen = sizeof(kDest) - 1;
   const size_t kDefaultLen = sizeof(kDefault) - 1;
   std::vector<std::string> lines;
   base::SplitString(content, '\n', &lines);
 
   for (size_t i = 0; i < lines.size(); ++i) {
@@ skipping 338 matching lines @@
   caps.color_default = is_color;
 
   ppdClose(ppd);
   base::DeleteFile(ppd_file_path, false);
 
   *printer_info = caps;
   return true;
 }
 
 }  // namespace printing