Move ReadFileToString to the base namespace.

chrome/browser/spellchecker/spellcheck_custom_dictionary.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/spellchecker/spellcheck_custom_dictionary.h"
 
 #include <functional>
 
 #include "base/file_util.h"
 #include "base/files/important_file_writer.h"
@@ skipping 42 matching lines @@
   DETECTED_MISSING_WORDS = 4,
 };
 
 // Loads the file at |file_path| into the |words| container. If the file has a
 // valid checksum, then returns ChecksumStatus::VALID. If the file has an
 // invalid checksum, then returns ChecksumStatus::INVALID and clears |words|.
 ChecksumStatus LoadFile(const base::FilePath& file_path, WordList& words) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   words.clear();
   std::string contents;
-  file_util::ReadFileToString(file_path, &contents);
+  base::ReadFileToString(file_path, &contents);
   size_t pos = contents.rfind(CHECKSUM_PREFIX);
   if (pos != std::string::npos) {
     std::string checksum = contents.substr(pos + strlen(CHECKSUM_PREFIX));
     contents = contents.substr(0, pos);
     if (checksum != base::MD5String(contents))
       return INVALID_CHECKSUM;
   }
   TrimWhitespaceASCII(contents, TRIM_ALL, &contents);
   base::SplitString(contents, '\n', &words);
   return VALID_CHECKSUM;
@@ skipping 456 matching lines @@
 
 void SpellcheckCustomDictionary::Notify(
     const SpellcheckCustomDictionary::Change& dictionary_change) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!IsLoaded() || dictionary_change.empty())
     return;
   FOR_EACH_OBSERVER(Observer,
                     observers_,
                     OnCustomDictionaryChanged(dictionary_change));
 }