Move ReadFileToString to the base namespace.

chrome/browser/extensions/convert_user_script.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/extensions/convert_user_script.h"
 
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 16 matching lines @@
 
 namespace keys = extensions::manifest_keys;
 namespace values = extension_manifest_values;
 
 namespace extensions {
 
 scoped_refptr<Extension> ConvertUserScriptToExtension(
     const base::FilePath& user_script_path, const GURL& original_url,
     const base::FilePath& extensions_dir, string16* error) {
   std::string content;
-  if (!file_util::ReadFileToString(user_script_path, &content)) {
+  if (!base::ReadFileToString(user_script_path, &content)) {
     *error = ASCIIToUTF16("Could not read source file.");
     return NULL;
   }
 
   if (!IsStringUTF8(content)) {
     *error = ASCIIToUTF16("User script must be UTF8 encoded.");
     return NULL;
   }
 
   UserScript script;
@@ skipping 135 matching lines @@
   if (!extension.get()) {
     NOTREACHED() << "Could not init extension " << *error;
     return NULL;
   }
 
   temp_dir.Take();  // The caller takes ownership of the directory.
   return extension;
 }
 
 }  // namespace extensions