FileWrapper[Impl] modifications and actually remove the "Impl" class.

webrtc/test/fake_audio_device.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 21 matching lines @@
       speed_(speed),
       last_playout_ms_(-1),
       clock_(clock, speed),
       tick_(EventTimerWrapper::Create()),
       thread_(FakeAudioDevice::Run, this, "FakeAudioDevice"),
       file_utility_(new ModuleFileUtility(0)),
       input_stream_(FileWrapper::Create()) {
   memset(captured_audio_, 0, sizeof(captured_audio_));
   memset(playout_buffer_, 0, sizeof(playout_buffer_));
   // Open audio input file as read-only and looping.
-  EXPECT_EQ(0, input_stream_->OpenFile(filename.c_str(), true, true))
-      << filename;
+  EXPECT_TRUE(input_stream_->OpenFile(filename.c_str(), true)) << filename;
 }
 
 FakeAudioDevice::~FakeAudioDevice() {
   Stop();
 
   thread_.Stop();
 }
 
 int32_t FakeAudioDevice::Init() {
   rtc::CritScope cs(&lock_);
@@ skipping 84 matching lines @@
   rtc::CritScope cs(&lock_);
   capturing_ = true;
 }
 
 void FakeAudioDevice::Stop() {
   rtc::CritScope cs(&lock_);
   capturing_ = false;
 }
 }  // namespace test
 }  // namespace webrtc