Replace FilePath with base::FilePath in some more top level directories.

media/base/test_data_util.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 "media/base/test_data_util.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "media/base/decoder_buffer.h"
 
 namespace media {
 
 FilePath GetTestDataFilePath(const std::string& name) {
-  FilePath file_path;
+  base::FilePath file_path;
   CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
 
   file_path = file_path.Append(FILE_PATH_LITERAL("media"))
       .Append(FILE_PATH_LITERAL("test"))
       .Append(FILE_PATH_LITERAL("data"))
       .AppendASCII(name);
   return file_path;
 }
 
 scoped_refptr<DecoderBuffer> ReadTestDataFile(const std::string& name) {
-  FilePath file_path;
+  base::FilePath file_path;
   CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
 
   file_path = file_path.Append(FILE_PATH_LITERAL("media"))
       .Append(FILE_PATH_LITERAL("test"))
       .Append(FILE_PATH_LITERAL("data"))
       .AppendASCII(name);
 
   int64 tmp = 0;
   CHECK(file_util::GetFileSize(file_path, &tmp))
       << "Failed to get file size for '" << name << "'";
 
   int file_size = static_cast<int>(tmp);
 
   scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(file_size));
   CHECK_EQ(file_size, file_util::ReadFile(
       file_path, reinterpret_cast<char*>(buffer->GetWritableData()), file_size))
       << "Failed to read '" << name << "'";
 
   return buffer;
 }
 
 }  // namespace media