Remove device enumeration, caching and monitoring from MediaStreamManager.

content/browser/renderer_host/media/media_stream_provider.h

Index: content/browser/renderer_host/media/media_stream_provider.h
diff --git a/content/browser/renderer_host/media/media_stream_provider.h b/content/browser/renderer_host/media/media_stream_provider.h
index 551e36d8b45890e8b51211b776081914d4e09b25..d2ee9255ca99c350916e71ff753eb5b3ad2b4bc5 100644
--- a/content/browser/renderer_host/media/media_stream_provider.h
+++ b/content/browser/renderer_host/media/media_stream_provider.h
@@ -46,10 +46,6 @@ class CONTENT_EXPORT MediaStreamProviderListener {
   // Called by a MediaStreamProvider when a stream has been closed.
   virtual void Closed(MediaStreamType stream_type, int capture_session_id) = 0;
 
-  // Called by a MediaStreamProvider when available devices has been enumerated.
-  virtual void DevicesEnumerated(MediaStreamType stream_type,
-                                 const StreamDeviceInfoArray& devices) = 0;
-
   // Called by a MediaStreamProvider when the device has been aborted due to
   // device error.
   virtual void Aborted(MediaStreamType stream_type, int capture_session_id) = 0;
@@ -67,9 +63,6 @@ class CONTENT_EXPORT MediaStreamProvider
                         const scoped_refptr<base::SingleThreadTaskRunner>&
                             device_task_runner) = 0;
 
-  // Enumerates existing capture devices and calls |DevicesEnumerated|.
-  virtual void EnumerateDevices(MediaStreamType stream_type) = 0;
-
   // Opens the specified device. The device is not started and it is still
   // possible for other applications to open the device before the device is
   // started. |Opened| is called when the device is opened.