Move ReadFileToString to the base namespace.

net/base/gzip_filter_unittest.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 <fstream>
 #include <ostream>
 
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
@@ skipping 51 matching lines @@
 
     // Get the path of source data file.
     base::FilePath file_path;
     PathService::Get(base::DIR_SOURCE_ROOT, &file_path);
     file_path = file_path.AppendASCII("net");
     file_path = file_path.AppendASCII("data");
     file_path = file_path.AppendASCII("filter_unittests");
     file_path = file_path.AppendASCII("google.txt");
 
     // Read data from the file into buffer.
-    ASSERT_TRUE(file_util::ReadFileToString(file_path, &source_buffer_));
+    ASSERT_TRUE(base::ReadFileToString(file_path, &source_buffer_));
 
     // Encode the data with deflate
     deflate_encode_buffer_ = new char[kDefaultBufferSize];
     ASSERT_TRUE(deflate_encode_buffer_ != NULL);
 
     deflate_encode_len_ = kDefaultBufferSize;
     int code = CompressAll(ENCODE_DEFLATE , source_buffer(), source_len(),
                            deflate_encode_buffer_, &deflate_encode_len_);
     ASSERT_TRUE(code == Z_STREAM_END);
     ASSERT_GT(deflate_encode_len_, 0);
@@ skipping 300 matching lines @@
   int corrupt_decode_size = kDefaultBufferSize;
 
   int code = DecodeAllWithFilter(filter_.get(), corrupt_data, corrupt_data_len,
                                  corrupt_decode_buffer, &corrupt_decode_size);
 
   // Expect failures
   EXPECT_TRUE(code == Filter::FILTER_ERROR);
 }
 
 }  // namespace net