[webkit-changes] [WebKit/WebKit] e52cc4: REGRESSION(276962 at main): ~1% regression in JetStre...

[Ryosuke Niwa]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: e52cc44f2604eb43287e2153dcf815525594be80
      https://github.com/WebKit/WebKit/commit/e52cc44f2604eb43287e2153dcf815525594be80
  Author: Ryosuke Niwa <rniwa at webkit.org>
  Date:   2024-04-23 (Tue, 23 Apr 2024)

  Changed paths:
    M Source/WebCore/loader/EmptyClients.cpp
    M Source/WebCore/loader/EmptyFrameLoaderClient.h
    M Source/WebCore/loader/FrameLoader.cpp
    M Source/WebCore/loader/LocalFrameLoaderClient.h
    M Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp
    M Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.h
    M Source/WebKitLegacy/mac/WebCoreSupport/WebFrameLoaderClient.h
    M Source/WebKitLegacy/mac/WebCoreSupport/WebFrameLoaderClient.mm

  Log Message:
  -----------
  REGRESSION(276962 at main): ~1% regression in JetStream 3
https://bugs.webkit.org/show_bug.cgi?id=273139

Reviewed by Wenson Hsieh.

The regression was caused by the scheduling of full editor state update.
Avoid this work for an initial blank document loaded for an iframe.

* Source/WebCore/loader/EmptyClients.cpp:
(WebCore::EmptyFrameLoaderClient::transitionToCommittedForNewPage):
* Source/WebCore/loader/EmptyFrameLoaderClient.h:
* Source/WebCore/loader/FrameLoader.cpp:
(WebCore::FrameLoader::initForSynthesizedDocument):
(WebCore::FrameLoader::transitionToCommitted):
* Source/WebCore/loader/LocalFrameLoaderClient.h:
* Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp:
(WebKit::WebLocalFrameLoaderClient::transitionToCommittedForNewPage):
* Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.h:
* Source/WebKitLegacy/mac/WebCoreSupport/WebFrameLoaderClient.h:
* Source/WebKitLegacy/mac/WebCoreSupport/WebFrameLoaderClient.mm:
(WebFrameLoaderClient::transitionToCommittedForNewPage):

Canonical link: https://commits.webkit.org/277910@main



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