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scheib@chromium.org authored
https://bugs.webkit.org/show_bug.cgi?id=91448 Reviewed by Adrienne Walker. Unifies redundant traversal logic and static cast previously used to determine if an element or document can be made fullscreen. This clean up prepares for pointer lock, which will use the same logic. Added a test to detect an edge case of an owning document with fullscreen permision moving an iframe to fullscreen, while that iframe does not have permision for its contents to be made fullscreen. Source/WebCore: Test: fullscreen/full-screen-iframe-without-allow-attribute-allowed-from-parent.html * dom/Document.cpp: (WebCore::isAttributeOnAllOwners): (WebCore::Document::fullScreenIsAllowedForElement): (WebCore::Document::webkitFullscreenEnabled): LayoutTests: * fullscreen/full-screen-iframe-without-allow-attribute-allowed-from-parent-expected.txt: Added. * fullscreen/full-screen-iframe-without-allow-attribute-allowed-from-parent.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@123005 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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