Set keyboard mic effect if available.

content/browser/renderer_host/media/audio_input_device_manager.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 "content/browser/renderer_host/media/audio_input_device_manager.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/media_stream_request.h"
@@ skipping 10 matching lines @@
 namespace {
 // Starting id for the first capture session.
 const int kFirstSessionId = AudioInputDeviceManager::kFakeOpenSessionId + 1;
 }
 
 AudioInputDeviceManager::AudioInputDeviceManager(
     media::AudioManager* audio_manager)
     : listener_(NULL),
       next_capture_session_id_(kFirstSessionId),
       use_fake_device_(false),
+#if defined(OS_CHROMEOS)
+      has_checked_keyboard_mic_(false),
+#endif
       audio_manager_(audio_manager) {
 }
 
 AudioInputDeviceManager::~AudioInputDeviceManager() {
 }
 
 const StreamDeviceInfo* AudioInputDeviceManager::GetOpenedDeviceInfoById(
     int session_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   StreamDeviceList::iterator device = GetDevice(session_id);
@@ skipping 203 matching lines @@
   static const char kFakeDeviceId2[] = "fake_audio_2";
   DCHECK(device_names->empty());
   DCHECK(use_fake_device_);
   device_names->push_back(media::AudioDeviceName(kFakeDeviceName1,
                                                  kFakeDeviceId1));
   device_names->push_back(media::AudioDeviceName(kFakeDeviceName2,
                                                  kFakeDeviceId2));
 }
 
 }  // namespace content