[webkit-changes] [WebKit/WebKit] 465af8: Use a RunLoop Observer for RemoteLayerTreeDrawingA...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 465af8bb6a56d11b23c94d34bd447a771e01888b
      https://github.com/WebKit/WebKit/commit/465af8bb6a56d11b23c94d34bd447a771e01888b
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2023-04-21 (Fri, 21 Apr 2023)

  Changed paths:
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.h
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm

  Log Message:
  -----------
  Use a RunLoop Observer for RemoteLayerTreeDrawingArea.
https://bugs.webkit.org/show_bug.cgi?id=255769

Reviewed by Simon Fraser.

RunLoop Observers support `breakToAllowRenderingUpdate()`, which lets us schedule a rendering update to happen without waiting for other tasks.

* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm:
(WebKit::RemoteLayerTreeDrawingArea::RemoteLayerTreeDrawingArea):
(WebKit::RemoteLayerTreeDrawingArea::~RemoteLayerTreeDrawingArea):
(WebKit::RemoteLayerTreeDrawingArea::startRenderingUpdateTimer):
(WebKit::m_updateRenderingTimer): Deleted.

Canonical link: https://commits.webkit.org/263269@main