[Qt] Last bits and pieces for a V8 build.

Reviewed by Andreas Kling.

When building with V8, get it from QtScript.

* WebCore.pro: Use QtScript, removed non-existant
bridge files from the build.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@67334 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2 files changed