Per navigation sticky media permissions.

content/public/common/media_stream_request.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_
 #define CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 28 matching lines @@
   MEDIA_LOOPBACK_AUDIO_CAPTURE,
 
   NUM_MEDIA_TYPES
 };
 
 // Types of media stream requests that can be made to the media controller.
 enum MediaStreamRequestType {
   MEDIA_DEVICE_ACCESS = 0,
   MEDIA_GENERATE_STREAM,
   MEDIA_ENUMERATE_DEVICES,
-  MEDIA_OPEN_DEVICE
+  MEDIA_OPEN_DEVICE  // Only used in requests made by Pepper.
 };
 
 // Facing mode for video capture.
 enum VideoFacingMode {
   MEDIA_VIDEO_FACING_NONE = 0,
   MEDIA_VIDEO_FACING_USER,
   MEDIA_VIDEO_FACING_ENVIRONMENT,
   MEDIA_VIDEO_FACING_LEFT,
   MEDIA_VIDEO_FACING_RIGHT,
 
@@ skipping 97 matching lines @@
   // Contains the device properties of the capture device.
   AudioDeviceParameters input;
 
   // If the capture device has an associated output device (e.g. headphones),
   // this will contain the properties for the output device.  If no such device
   // exists (e.g. webcam w/mic), then the value of this member will be all
   // zeros.
   AudioDeviceParameters matched_output;
 };
 
-typedef std::vector<MediaStreamDevice> MediaStreamDevices;
+class CONTENT_EXPORT MediaStreamDevices
+    : public std::vector<MediaStreamDevice> {
+ public:
+  MediaStreamDevices();
+  MediaStreamDevices(size_t count, const MediaStreamDevice& value);
+
+  // Looks for a MediaStreamDevice based on its ID.
+  // Returns NULL if not found.
+  const MediaStreamDevice* FindById(const std::string& device_id) const;
+};
 
 typedef std::map<MediaStreamType, MediaStreamDevices> MediaStreamDeviceMap;
 
 // Represents a request for media streams (audio/video).
 // TODO(vrk): Decouple MediaStreamDevice from this header file so that
 // media_stream_options.h no longer depends on this file.
 // TODO(vrk,justinlin,wjia): Figure out a way to share this code cleanly between
 // vanilla WebRTC, Tab Capture, and Pepper Video Capture. Right now there is
 // Tab-only stuff and Pepper-only stuff being passed around to all clients,
 // which is icky.
@@ skipping 67 matching lines @@
 
 // Callback used return results of media access requests.
 typedef base::Callback<void(
     const MediaStreamDevices& devices,
     content::MediaStreamRequestResult result,
     scoped_ptr<MediaStreamUI> ui)> MediaResponseCallback;
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_