Move ReadFileToString to the base namespace.

chrome/browser/chromeos/input_method/component_extension_ime_manager_impl.cc

 // Copyright 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/input_method/component_extension_ime_manager_impl.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 239 matching lines @@
     component_ime.path = base::FilePath(
         whitelisted_component_extension[i].path);
 
     const base::FilePath manifest_path =
         component_ime.path.Append("manifest.json");
 
     if (!base::PathExists(component_ime.path) ||
         !base::PathExists(manifest_path))
       continue;
 
-    if (!file_util::ReadFileToString(manifest_path, &component_ime.manifest))
+    if (!base::ReadFileToString(manifest_path, &component_ime.manifest))
       continue;
 
     scoped_ptr<DictionaryValue> manifest = GetManifest(component_ime.path);
     if (!manifest.get())
       continue;
 
     if (!ReadExtensionInfo(*manifest.get(),
                            whitelisted_component_extension[i].id,
                            &component_ime))
       continue;
@@ skipping 21 matching lines @@
     std::vector<ComponentExtensionIME>* result,
     const base::Closure& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(result);
   component_extension_list_ = *result;
   is_initialized_ = true;
   callback.Run();
 }
 
 }  // namespace chromeos