[webkit-reviews] review requested: [Bug 53285] CSS styles are shared based on uninitialized property values : [Attachment 107464] Add compile time assertion

[bugzilla-daemon at webkit.org]

Takashi Toyoshima <toyoshim at chromium.org> has asked  for review:
Bug 53285: CSS styles are shared based on uninitialized property values
https://bugs.webkit.org/show_bug.cgi?id=53285

Attachment 107464: Add compile time assertion
https://bugs.webkit.org/attachment.cgi?id=107464&action=review