Video Capture Mojo (1.4c): Handle Subsequent Access

services/video_capture/public/interfaces/video_capture_device_factory.mojom

 // Copyright 2016 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.
 
 module video_capture.mojom;
 
 import "services/video_capture/public/interfaces/video_capture_device_proxy.mojom";
 import "services/video_capture/public/interfaces/video_capture_format.mojom";
 
 enum VideoCaptureApi {
@@ skipping 40 matching lines @@
 // VideoCaptureDeviceDescriptor.
 // https://crbug.com/637439
 interface VideoCaptureDeviceFactory {
   EnumerateDeviceDescriptors()
       => (array<VideoCaptureDeviceDescriptor> descriptors);
 
   GetSupportedFormats(VideoCaptureDeviceDescriptor device_descriptor)
       => (array<VideoCaptureFormat> supported_formats);
 
   // Provides exclusive access to the device identified by |device_descriptor|.
+  // The access is valid until either the message pipe associated with
+  // |proxy_request| is closed by the client, or a subsequent call to
+  // CreateDeviceProxy() is made.
   CreateDeviceProxy(VideoCaptureDeviceDescriptor device_descriptor,
                     VideoCaptureDeviceProxy& proxy_request)
       => (DeviceAccessResultCode result_code);
 };