Move ReadFileToString to the base namespace.

chrome/browser/profiles/profile_info_cache.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/profiles/profile_info_cache.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/i18n/case_conversion.h"
@@ skipping 129 matching lines @@
 
 // Reads a PNG from disk and decodes it. If the bitmap was successfully read
 // from disk the then |out_image| will contain the bitmap image, otherwise it
 // will be NULL.
 void ReadBitmap(const base::FilePath& image_path,
                 gfx::Image** out_image) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   *out_image = NULL;
 
   std::string image_data;
-  if (!file_util::ReadFileToString(image_path, &image_data)) {
+  if (!base::ReadFileToString(image_path, &image_data)) {
     LOG(ERROR) << "Failed to read PNG file from disk.";
     return;
   }
 
   const unsigned char* data =
       reinterpret_cast<const unsigned char*>(image_data.data());
   gfx::Image image =
       gfx::Image::CreateFrom1xPNGBytes(data, image_data.length());
   if (image.IsEmpty()) {
     LOG(ERROR) << "Failed to decode PNG file.";
@@ skipping 695 matching lines @@
     info->GetString(kNameKey, &name);
     names.push_back(name);
   }
   return names;
 }
 
 // static
 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 }