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

media/audio/win/audio_low_latency_input_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 38 matching lines @@
 // the recorded data is stored on a raw binary data file.
 class WriteToFileAudioSink : public AudioInputStream::AudioInputCallback {
  public:
   // Allocate space for ~10 seconds of data @ 48kHz in stereo:
   // 2 bytes per sample, 2 channels, 10ms @ 48kHz, 10 seconds <=> 1920000 bytes.
   static const size_t kMaxBufferSize = 2 * 2 * 480 * 100 * 10;
 
   explicit WriteToFileAudioSink(const char* file_name)
       : buffer_(0, kMaxBufferSize),
         bytes_to_write_(0) {
-    FilePath file_path;
+    base::FilePath file_path;
     EXPECT_TRUE(PathService::Get(base::DIR_EXE, &file_path));
     file_path = file_path.AppendASCII(file_name);
     binary_file_ = file_util::OpenFile(file_path, "wb");
     DLOG_IF(ERROR, !binary_file_) << "Failed to open binary PCM data file.";
     LOG(INFO) << ">> Output file: " << file_path.value()
               << " has been created.";
   }
 
   virtual ~WriteToFileAudioSink() {
     size_t bytes_written = 0;
@@ skipping 326 matching lines @@
   WriteToFileAudioSink file_sink(file_name);
   LOG(INFO) << ">> Speak into the default microphone while recording.";
   ais->Start(&file_sink);
   base::PlatformThread::Sleep(TestTimeouts::action_timeout());
   ais->Stop();
   LOG(INFO) << ">> Recording has stopped.";
   ais->Close();
 }
 
 }  // namespace media