Assertion failure on launch: ASSERTION FAILED: ::SetWindowsHookExW failed with error 126 m_hook ..\platform\graphics\ca\win\LayerChangesFlusher.cpp(111) : WebCore::LayerChangesFlusher::setHook <rdar://problem/9267042>
Created attachment 89089 [details] Patch
Comment on attachment 89089 [details] Patch I think we can get rid of the WebCoreInstanceHandle.h include, too.
Landed in r83502.