[Cross-Site Isolation] Migrate entire MediaStream verticals to be per-RenderFrame.

content/public/browser/media_observer.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_BROWSER_MEDIA_OBSERVER_H_
 #define CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_
 
 #include "base/callback_forward.h"
 #include "content/public/browser/media_request_state.h"
 #include "content/public/common/media_stream_request.h"
 
 namespace content {
 
 // An embedder may implement MediaObserver and return it from
 // ContentBrowserClient to receive callbacks as media events occur.
 class MediaObserver {
  public:
   // Called when a audio capture device is plugged in or unplugged.
   virtual void OnAudioCaptureDevicesChanged() = 0;
 
   // Called when a video capture device is plugged in or unplugged.
   virtual void OnVideoCaptureDevicesChanged() = 0;
 
   // Called when a media request changes state.
   virtual void OnMediaRequestStateChanged(
       int render_process_id,
-      int render_view_id,
+      int render_frame_id,
       int page_request_id,
       const GURL& security_origin,
-      const MediaStreamDevice& device,
+      MediaStreamType stream_type,
       MediaRequestState state) = 0;
 
   // Called when an audio stream is being created.
   virtual void OnCreatingAudioStream(int render_process_id,
                                      int render_frame_id) = 0;
 
   // Called when an audio stream transitions into a playing state.
   // |power_read_callback| is a thread-safe callback, provided for polling the
   // current audio signal power level, and any copies/references to it must be
   // destroyed when OnAudioStreamStopped() is called.
@@ skipping 14 matching lines @@
       int render_frame_id,
       int stream_id) = 0;
 
  protected:
   virtual ~MediaObserver() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_MEDIA_OBSERVER_H_