Eliminate bind callback that doesn't take a BindSourceInfo parameter.

content/browser/renderer_host/media/media_devices_dispatcher_host.h

Index: content/browser/renderer_host/media/media_devices_dispatcher_host.h
diff --git a/content/browser/renderer_host/media/media_devices_dispatcher_host.h b/content/browser/renderer_host/media/media_devices_dispatcher_host.h
index 0085491466dece1ccebb95dab2ef153b64fed6d8..fd06fed511d7f8670c86e7007241cbc61d31e352 100644
--- a/content/browser/renderer_host/media/media_devices_dispatcher_host.h
+++ b/content/browser/renderer_host/media/media_devices_dispatcher_host.h
@@ -18,6 +18,10 @@
 
 using ::mojom::MediaDeviceType;
 
+namespace service_manager {
+struct BindSourceInfo;
+}
+
 namespace url {
 class Origin;
 }
@@ -40,6 +44,7 @@ class CONTENT_EXPORT MediaDevicesDispatcherHost
                      int render_frame_id,
                      const std::string& device_id_salt,
                      MediaStreamManager* media_stream_manager,
+                     const service_manager::BindSourceInfo& source_info,
                      ::mojom::MediaDevicesDispatcherHostRequest request);
 
   // ::mojom::MediaDevicesDispatcherHost implementation.