We should get rid of dependency on base/ net/ and so on in WebKitTools/DumpRenderTree/chromium/*.
They should be expanded, or should add wrapper functions to webkit_support.
There are some comments on this topic from fishd:
Now DRT code depends on no Chromium code other than webkit/support/webkit_support*.h though it depends on V8/Skia/GogoleURL. I think we may close this bug.