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

media/audio/win/audio_low_latency_output_win_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 <windows.h>
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 75 matching lines @@
     // Creates an array that will store delta times between callbacks.
     // The content of this array will be written to a text file at
     // destruction and can then be used for off-line analysis of the exact
     // timing of callbacks. The text file will be stored in media/test/data.
     delta_times_.reset(new int[kMaxDeltaSamples]);
   }
 
   virtual ~ReadFromFileAudioSource() {
     // Get complete file path to output file in directory containing
     // media_unittests.exe.
-    FilePath file_name;
+    base::FilePath file_name;
     EXPECT_TRUE(PathService::Get(base::DIR_EXE, &file_name));
     file_name = file_name.AppendASCII(kDeltaTimeMsFileName);
 
     EXPECT_TRUE(!text_file_);
     text_file_ = file_util::OpenFile(file_name, "wt");
     DLOG_IF(ERROR, !text_file_) << "Failed to open log file.";
 
     // Write the array which contains delta times to a text file.
     size_t elements_written = 0;
     while (elements_written < elements_to_write_) {
@@ skipping 585 matching lines @@
 
   aos->Start(&source);
   loop.PostDelayedTask(FROM_HERE, MessageLoop::QuitClosure(),
                         TestTimeouts::action_timeout());
   loop.Run();
   aos->Stop();
   aos->Close();
 }
 
 }  // namespace media