Move ReadFileToString to the base namespace.

chrome/service/cloud_print/print_system_win.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/service/cloud_print/print_system.h"
 
 #include <objidl.h>
 #include <winspool.h>
 #include <xpsprint.h>
 
@@ skipping 622 matching lines @@
         ULONG print_bytes_written = 0;
         if (FAILED(print_ticket_stream->Write(print_ticket.c_str(),
                                               print_ticket.length(),
                                               &print_bytes_written)))
           return false;
         DCHECK_EQ(print_ticket.length(), print_bytes_written);
         if (FAILED(print_ticket_stream->Close()))
           return false;
 
         std::string document_data;
-        file_util::ReadFileToString(print_data_file_path, &document_data);
+        base::ReadFileToString(print_data_file_path, &document_data);
         ULONG doc_bytes_written = 0;
         if (FAILED(doc_stream->Write(document_data.c_str(),
                                      document_data.length(),
                                      &doc_bytes_written)))
           return false;
         DCHECK_EQ(document_data.length(), doc_bytes_written);
         if (FAILED(doc_stream->Close()))
           return false;
 
         job_progress_watcher_.StartWatching(job_progress_event_.Get(), this);
@@ skipping 243 matching lines @@
   return "application/pdf";
 }
 
 
 scoped_refptr<PrintSystem> PrintSystem::CreateInstance(
     const base::DictionaryValue* print_system_settings) {
   return new PrintSystemWin;
 }
 
 }  // namespace cloud_print