[webkit-changes] [WebKit/WebKit] e11de7: Coalesce VisitedLinkTableController messages

[bnham]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: e11de77febe887f97f694bb1cb29a14f25728f93
      https://github.com/WebKit/WebKit/commit/e11de77febe887f97f694bb1cb29a14f25728f93
  Author: Ben Nham <nham at apple.com>
  Date:   2024-12-06 (Fri, 06 Dec 2024)

  Changed paths:
    M Source/WebKit/UIProcess/VisitedLinkStore.cpp
    M Source/WebKit/WebProcess/WebPage/VisitedLinkTableController.messages.in

  Log Message:
  -----------
  Coalesce VisitedLinkTableController messages
https://bugs.webkit.org/show_bug.cgi?id=284180
rdar://141060207

Reviewed by Ryan Reno.

When analyzing long-running traces of web usage, it looks like VisitedLinkTableController messages
are now the top contributor to spurious WebContent process wakeups. Fix this by marking the messages
as not being sent if the receiver is suspended, and by sending the AllVisitedLinkStateChanged
message (which is coalescable) if the receiver is suspended.

* Source/WebKit/UIProcess/VisitedLinkStore.cpp:
(WebKit::VisitedLinkStore::didUpdateSharedStringHashes):
* Source/WebKit/WebProcess/WebPage/VisitedLinkTableController.messages.in:

Canonical link: https://commits.webkit.org/287479@main



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