Implement MediaCaptureDevices.

chrome/browser/media/media_stream_devices_controller.cc

Index: chrome/browser/media/media_stream_devices_controller.cc
diff --git a/chrome/browser/media/media_stream_devices_controller.cc b/chrome/browser/media/media_stream_devices_controller.cc
index 3b4e46149ddb10859cbaac0a30e028bbc49f775a..3dd7c1e717c470f678809d6dc662f1fc2b2c22c1 100644
--- a/chrome/browser/media/media_stream_devices_controller.cc
+++ b/chrome/browser/media/media_stream_devices_controller.cc
@@ -23,6 +23,7 @@
 #include "chrome/common/pref_names.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/media_capture_devices.h"
 #include "content/public/common/media_stream_request.h"
 #include "extensions/common/constants.h"
 #include "grit/generated_resources.h"
@@ -34,14 +35,14 @@
 #endif
 
 using content::BrowserThread;
-
+using content::MediaCaptureDevices;
 namespace {
 
 bool HasAnyAvailableDevice() {
   const content::MediaStreamDevices& audio_devices =
-      MediaCaptureDevicesDispatcher::GetInstance()->GetAudioCaptureDevices();
+      MediaCaptureDevices::GetInstance()->GetAudioCaptureDevices();
   const content::MediaStreamDevices& video_devices =
-      MediaCaptureDevicesDispatcher::GetInstance()->GetVideoCaptureDevices();
+      MediaCaptureDevices::GetInstance()->GetVideoCaptureDevices();
 
   return !audio_devices.empty() || !video_devices.empty();
 }