Adopt smart pointers in FrameLoader.
Pull request: https://github.com/WebKit/WebKit/pull/19665
Committed 269901@main (af1e21c6dbce): <https://commits.webkit.org/269901@main> Reviewed commits have been landed. Closing PR #19665 and removing active labels.
<rdar://problem/117637326>
WebKitGTK Ubuntu LTS build bot, as well as other Ubuntu/Debian, build bots is failing with the following error after this commit: ``` FAILED: /home/buildbot/worker/GTK-Linux-64-bit-Release-Ubuntu-LTS-Build/build/Source/WebCore/loader/FrameLoader.cpp:3600:42: error: class template placeholder ‘WTF::CheckedPtr’ not permitted in this context 3600 | ForbidPromptsScope forbidPrompts(CheckedPtr { m_frame->page() }.get()); ```
Re-opening for pull request https://github.com/webkit/webkit/pull/19709