Refactor MediaStreamManager to never output real device id. It now always output sourceId in the fo…

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 7f0ff17eb34c186a3bac8eb5f5e662ce6feec9b6..3389388d8dffb7d929fb89ba21bffabfe0d0e7cd 100644
--- a/content/browser/renderer_host/media/media_stream_provider.h
+++ b/content/browser/renderer_host/media/media_stream_provider.h
@@ -52,11 +52,6 @@ class CONTENT_EXPORT MediaStreamProviderListener {
   virtual void DevicesEnumerated(MediaStreamType stream_type,
                                  const StreamDeviceInfoArray& devices) = 0;
 
-  // Called by a MediaStreamProvider when an error has occured.
-  virtual void Error(MediaStreamType stream_type,
-                     int capture_session_id,
-                     MediaStreamProviderError error) = 0;
-
  protected:
   virtual ~MediaStreamProviderListener() {}
 };