[webkit-reviews] review requested: [Bug 157444] MouseEvent's offsetX and offsetY should be based on relative target : [Attachment 278312] Adds a test

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 157444: MouseEvent's offsetX and offsetY should be based on relative target
https://bugs.webkit.org/show_bug.cgi?id=157444

Attachment 278312: Adds a test

https://bugs.webkit.org/attachment.cgi?id=278312&action=review