Move ReadFileToString to the base namespace.

content/common/sandbox_mac_fontloading_unittest.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
  private:
   scoped_ptr<base::SharedMemory> font_shmem_;
   size_t font_data_length_;
 };
 REGISTER_SANDBOX_TEST_CASE(FontLoadingTestCase);
 
 
 // Load raw font data into shared memory object.
 bool FontLoadingTestCase::BeforeSandboxInit() {
   std::string font_data;
-  if (!file_util::ReadFileToString(base::FilePath(test_data_.c_str()),
-                                   &font_data)) {
+  if (!base::ReadFileToString(base::FilePath(test_data_.c_str()), &font_data)) {
     LOG(ERROR) << "Failed to read font data from file (" << test_data_ << ")";
     return false;
   }
 
   font_data_length_ = font_data.length();
   if (font_data_length_ <= 0) {
     LOG(ERROR) << "No font data: " << font_data_length_;
     return false;
   }
 
@@ skipping 73 matching lines @@
       static_cast<const char *>(result.font_data.memory()),
       result.font_data_size);
 
   ASSERT_TRUE(RunTestInSandbox(SANDBOX_TYPE_RENDERER,
                   "FontLoadingTestCase", temp_file_path.value().c_str()));
   temp_file_closer.reset();
   ASSERT_TRUE(base::DeleteFile(temp_file_path, false));
 }
 
 }  // namespace content