Adding GetAudioInputDeviceNames to AudioManager, this function is supposed to do device enumerati...

media/audio/win/audio_manager_win.cc

Index: media/audio/win/audio_manager_win.cc
===================================================================
--- media/audio/win/audio_manager_win.cc	(revision 86276)
+++ media/audio/win/audio_manager_win.cc	(working copy)
@@ -18,6 +18,7 @@
 #include "base/process_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/win/windows_version.h"
 #include "media/audio/fake_audio_input_stream.h"
 #include "media/audio/fake_audio_output_stream.h"
@@ -253,6 +254,20 @@
   base::LaunchApp(command_line, false, false, NULL);
 }
 
+void AudioManagerWin::GetAudioInputDeviceNames(
+    AudioDeviceNames* device_names) {
+  // TODO(xians): query a full list of valid devices.
+  if (HasAudioInputDevices()) {
+    // We use (device_name)_(index) to make up the unique_ids to identify the
+    // devices. For default device, the index is 0, so its unique_id is
+    // Default_0.
+    AudioDeviceName name;
+    name.device_name = AudioManagerBase::kDefaultDeviceName;
+    name.unique_id = StringPrintf("%s_0", AudioManagerBase::kDefaultDeviceName);
+    device_names->push_back(name);
+  }
+}
+
 // static
 AudioManager* AudioManager::CreateAudioManager() {
   return new AudioManagerWin();