Add recording capability to AudioManager, and implemented on windows using the WaveIn APIs.

media/audio/linux/alsa_output_unittest.cc

 // Copyright (c) 2010 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 "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "media/audio/linux/alsa_output.h"
 #include "media/audio/linux/alsa_wrapper.h"
 #include "media/audio/linux/audio_manager_linux.h"
@@ skipping 53 matching lines @@
   MOCK_METHOD4(OnMoreData, uint32(AudioOutputStream* stream, void* dest,
                                   uint32 max_size, uint32 pending_bytes));
   MOCK_METHOD1(OnClose, void(AudioOutputStream* stream));
   MOCK_METHOD2(OnError, void(AudioOutputStream* stream, int code));
 };
 
 class MockAudioManagerLinux : public AudioManagerLinux {
  public:
   MOCK_METHOD0(Init, void());
   MOCK_METHOD0(HasAudioOutputDevices, bool());
+  MOCK_METHOD0(HasAudioInputDevices, bool());
   MOCK_METHOD4(MakeAudioOutputStream, AudioOutputStream*(Format format,
                                                          int channels,
                                                          int sample_rate,
                                                          char bits_per_sample));
+  MOCK_METHOD5(MakeAudioInputStream, AudioInputStream*(
+      Format format,
+      int channels,
+      int sample_rate,
+      char bits_per_sample,
+      uint32 samples_per_packet));
   MOCK_METHOD0(MuteAll, void());
   MOCK_METHOD0(UnMuteAll, void());
 
   MOCK_METHOD1(ReleaseOutputStream, void(AlsaPcmOutputStream* stream));
 };
 
 class AlsaPcmOutputStreamTest : public testing::Test {
  protected:
   AlsaPcmOutputStreamTest() {
     test_stream_ = CreateStreamWithChannels(kTestChannels);
@@ skipping 687 matching lines @@
 
   test_stream_->stop_stream_ = true;
   test_stream_->ScheduleNextWrite(true);
 
   // TODO(ajwong): Find a way to test whether or not another task has been
   // posted so we can verify that the Alsa code will indeed break the task
   // posting loop.
 
   test_stream_->shared_data_.TransitionTo(AlsaPcmOutputStream::kIsClosed);
 }