base: Move MemoryMappedFile out of file_util.h and into its own header file.

content/common/gpu/media/h264_parser_unittest.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 "testing/gtest/include/gtest/gtest.h"
 
 #include "base/command_line.h"
-#include "base/file_util.h"
+#include "base/files/memory_mapped_file.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "content/common/gpu/media/h264_parser.h"
 
 using content::H264Parser;
 using content::H264NALU;
 
 const base::FilePath::CharType* test_stream_filename =
     FILE_PATH_LITERAL("content/common/gpu/testdata/test-25fps.h264");
 // Number of NALUs in the stream to be parsed.
 int num_nalus = 759;
 
 TEST(H264ParserTest, StreamFileParsing) {
   base::FilePath fp(test_stream_filename);
-  file_util::MemoryMappedFile stream;
+  base::MemoryMappedFile stream;
   CHECK(stream.Initialize(fp)) << "Couldn't open stream file: "
                                << test_stream_filename;
   DVLOG(1) << "Parsing file: " << test_stream_filename;
 
   H264Parser parser;
   parser.SetStream(stream.data(), stream.length());
 
   // Parse until the end of stream/unsupported stream/error in stream is found.
   int num_parsed_nalus = 0;
   while (true) {
@@ skipping 50 matching lines @@
       test_stream_filename = it->second.c_str();
     } else if (it->first == "num_nalus") {
       CHECK(base::StringToInt(it->second, &num_nalus));
     } else {
       LOG(FATAL) << "Unexpected switch: " << it->first << ":" << it->second;
     }
   }
 
   return RUN_ALL_TESTS();
 }