Move ReadFileToString to the base namespace.

printing/image.cc

 // Copyright (c) 2011 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 "printing/image.h"
 
 #include <algorithm>
 
 #include "base/file_util.h"
 #include "base/md5.h"
 #include "base/safe_numerics.h"
 #include "base/strings/string_number_conversions.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/codec/png_codec.h"
 
 namespace printing {
 
 Image::Image(const base::FilePath& path)
     : row_length_(0),
       ignore_alpha_(true) {
   std::string data;
-  file_util::ReadFileToString(path, &data);
+  base::ReadFileToString(path, &data);
   bool success = false;
   if (path.MatchesExtension(FILE_PATH_LITERAL(".png"))) {
     success = LoadPng(data);
   } else if (path.MatchesExtension(FILE_PATH_LITERAL(".emf"))) {
     success = LoadMetafile(data);
   } else {
     DCHECK(false);
   }
   if (!success) {
     size_.SetSize(0, 0);
@@ skipping 116 matching lines @@
 bool Image::LoadMetafile(const std::string& data) {
   DCHECK(!data.empty());
   NativeMetafile metafile;
   if (!metafile.InitFromData(data.data(),
                              base::checked_numeric_cast<uint32>(data.size())))
     return false;
   return LoadMetafile(metafile);
 }
 
 }  // namespace printing