Pass camera facing info to audio client

content/browser/renderer_host/media/media_stream_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/media_stream_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 385 matching lines @@
 
   MediaStreamManager* msm = g_media_stream_manager_tls_ptr.Pointer()->Get();
   if (!msm) {
     DLOG(ERROR) << "No MediaStreamManager on the IO thread. " << message;
     return;
   }
 
   msm->AddLogMessageOnIOThread(message);
 }
 
-MediaStreamManager::MediaStreamManager(media::AudioManager* audio_manager)
+MediaStreamManager::MediaStreamManager(media::AudioManager* audio_manager,
+                                       component::VideoCaptureObserver* capture_observer)
     : audio_manager_(audio_manager),
+      capture_observer_(capture_observer),
 #if defined(OS_WIN)
       video_capture_thread_("VideoCaptureThread"),
 #endif
       use_fake_ui_(base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUseFakeUIForMediaStream)) {
   DCHECK(audio_manager_);
 
   // Some unit tests create the MSM in the IO thread and assumes the
   // initialization is done synchronously.
   if (BrowserThread::CurrentlyOn(BrowserThread::IO)) {
@@ skipping 832 matching lines @@
   // and the device managers.
   base::MessageLoop::current()->AddDestructionObserver(this);
 
   // TODO(dalecurtis): Remove ScopedTracker below once crbug.com/457525 is
   // fixed.
   tracked_objects::ScopedTracker tracking_profile4(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "457525 MediaStreamManager::InitializeDeviceManagersOnIOThread 4"));
   video_capture_manager_ =
       new VideoCaptureManager(media::VideoCaptureDeviceFactory::CreateFactory(
-          BrowserThread::GetTaskRunnerForThread(BrowserThread::UI)));
+          BrowserThread::GetTaskRunnerForThread(BrowserThread::UI)),
+                              capture_observer_);
 #if defined(OS_WIN)
   // Use an STA Video Capture Thread to try to avoid crashes on enumeration of
   // buggy third party Direct Show modules, http://crbug.com/428958.
   video_capture_thread_.init_com_with_mta(false);
   CHECK(video_capture_thread_.Start());
   video_capture_manager_->Register(this, video_capture_thread_.task_runner());
 #else
   video_capture_manager_->Register(this, device_task_runner_);
 #endif
 
@@ skipping 472 matching lines @@
   generate_stream_test_callback_ = test_callback;
 }
 
 #if defined(OS_WIN)
 void MediaStreamManager::FlushVideoCaptureThreadForTesting() {
   video_capture_thread_.FlushForTesting();
 }
 #endif
 
 }  // namespace content