See https://bugs.webkit.org/show_bug.cgi?id=76424. The correct path appears to be V8InternalSettings.h. Having the wrong path causes unnecessary rebuilds on Windows under VS2010.
Created attachment 124177 [details] Patch
Comment on attachment 124177 [details] Patch ok
Comment on attachment 124177 [details] Patch Clearing flags on attachment: 124177 Committed r106045: <http://trac.webkit.org/changeset/106045>
All reviewed patches have been landed. Closing bug.