[webkit-changes] [WebKit/WebKit] 4b51c1: Add null checks in ImageDocument

[EWS]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4b51c19b1cdd00daa2bc954c362b73de8e8aad27
      https://github.com/WebKit/WebKit/commit/4b51c19b1cdd00daa2bc954c362b73de8e8aad27
  Author: Alex Christensen <achristensen at webkit.org>
  Date:   2022-09-21 (Wed, 21 Sep 2022)

  Changed paths:
    M Source/WebCore/html/ImageDocument.cpp

  Log Message:
  -----------
  Add null checks in ImageDocument
https://bugs.webkit.org/show_bug.cgi?id=245457
rdar://100060509

Reviewed by Ryosuke Niwa.

* Source/WebCore/html/ImageDocument.cpp:
(WebCore::ImageDocument::imageSize):
(WebCore::ImageDocument::updateDuringParsing):
(WebCore::ImageDocument::finishedParsing):
(WebCore::ImageDocument::createDocumentStructure):

Canonical link: https://commits.webkit.org/254715@main