[webkit-reviews] review requested: [Bug 167774] Correctly set the "inWindow" flag for TileControllers that aren't the page tiles, and clarify "usingTiledBacking" logic : [Attachment 300498] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 167774: Correctly set the "inWindow" flag for TileControllers that aren't
the page tiles, and clarify "usingTiledBacking" logic
https://bugs.webkit.org/show_bug.cgi?id=167774

Attachment 300498: Patch

https://bugs.webkit.org/attachment.cgi?id=300498&action=review