Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1504515d9a2cfd52f76ff827505d6271484bcde7
      
https://github.com/WebKit/WebKit/commit/1504515d9a2cfd52f76ff827505d6271484bcde7
  Author: Youenn Fablet <[email protected]>
  Date:   2023-06-04 (Sun, 04 Jun 2023)

  Changed paths:
    M Source/WebKit/GPUProcess/GPUConnectionToWebProcess.cpp
    M Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp
    M Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.h

  Log Message:
  -----------
  Close explicitly the user media capture manager in GPUProcess when its 
WebProcess connection is closed
https://bugs.webkit.org/show_bug.cgi?id=257203
rdar://99093866

Reviewed by Eric Carlson.

UserMediaCaptureManagerProxy keeps sources alive until destroyed.
It is destroyed when its GPUConnectionToWebProcess is destroyed, which can take 
some time, given it is ref counted.
To be more proactive, we now close the UserMediaCaptureManagerProxy when 
GPUConnectionToWebProcess loses its IPC connection.
This stops capture sources quickly, we then close the VideoFrame Object heap so 
that VideoFrames gets disposed quickly.

* Source/WebKit/GPUProcess/GPUConnectionToWebProcess.cpp:
(WebKit::GPUConnectionToWebProcess::didClose):
* Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp:
(WebKit::UserMediaCaptureManagerProxy::close):
* Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.h:

Canonical link: https://commits.webkit.org/264854@main


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